If you’ve been holding off buying a Powerball ticket because you wanted to make it worth the effort, it might be time. Powerball’s lottery jackpot grew to $1.9 billion after no ticket matched all six winning numbers during Saturday night’s drawing, which was worth $1.6 billion… the biggest in US lottery history… as Powerball hit its 40th consecutive run without a grand prize winner. That last winning ticket was for the drawing back on August 3.