It would have cost ~$584 million to buy every possible combination of numbers in the Powerball lottery.
What If You Bought All 292 Million of the Possible Powerball Combinations? • 2016 Jan 13 • Andy Kiersz • The Atlantic
If you had done that, you would be splitting the $1.5 billion jackpot from January 13 four ways. (There are three winners, one from California, one from Florida, and one from Tennessee.)
2016 Jan 14 • Charles Riley, Sara Sidner, Tina Burnside • CNN Money
The cash value for the jackpot would be $930 million. So you’d only get $232.5 million, leaving you ~$350 million in the hole.