If a winner is named and he/she chooses a lump sum payment, the total distributed will be about $29 million because of taxes.
A 26-year annuity would result in annual payments of about $1.5 million minus taxes.
Tickets are $1 each. To find a store near you that sells tickets, visit the nationwide interactive map of retailers on the national Mega Millions website.
"Players may pick six numbers from two separate pools of numbers - five different numbers from 1 to 56 and one number from 1 to 46 - or select Easy Pick," according to lottery rules. "You win the jackpot by matching all six winning numbers in a drawing."
Prizes range from the jackpot down to $2.
The odds of winning the jackpot are about one in 176 million. Odds of winning $250,000 are about one in 3.9 million. Odds of winning $10,000 are about one in 890,000. Odds of winning a prize of some type are about one in 40.
Mega Millions drawings are held Tuesday and Friday at 11 p.m. ET.