Alright, let's work through 49510884 times 63637842 step by step
49510884 × 63637842 = 63637842 × (49510884)
+ 63637842 × 4 resulting in 254551368
+ 63637842 × 80 what gives us 5091027360
+ 63637842 × 800 that results in 50910273600
+ 63637842 × 0000 that equals 0
+ 63637842 × 10000 which equals 636378420000
+ 63637842 × 500000 producing 31818921000000
+ 63637842 × 9000000 what gives us 572740578000000
+ 63637842 × 40000000 yielding 2545513680000000

= 3150765813272328
