Alright, let's work through 49617809 times 12680412 step by step
49617809 × 12680412 = 12680412 × (49617809)
+ 12680412 × 9 which equals 114123708
+ 12680412 × 00 yielding 0
+ 12680412 × 800 what gives us 10144329600
+ 12680412 × 7000 yielding 88762884000
+ 12680412 × 10000 producing 126804120000
+ 12680412 × 600000 resulting in 7608247200000
+ 12680412 × 9000000 that is equal 114123708000000
+ 12680412 × 40000000 that equals 507216480000000

= 629174260657308
