Alright, let's work through 42179074 times 61656619 step by step
42179074 × 61656619 = 61656619 × (42179074)
+ 61656619 × 4 that is equal 246626476
+ 61656619 × 70 yielding 4315963330
+ 61656619 × 000 that is equal 0
+ 61656619 × 9000 what gives us 554909571000
+ 61656619 × 70000 producing 4315963330000
+ 61656619 × 100000 which equals 6165661900000
+ 61656619 × 2000000 resulting in 123313238000000
+ 61656619 × 40000000 that is equal 2466264760000000

= 2600619095390806
