Alright, let's work through 41478901 times 63434420 step by step
41478901 × 63434420 = 63434420 × (41478901)
+ 63434420 × 1 giving us 63434420
+ 63434420 × 00 producing 0
+ 63434420 × 900 that equals 57090978000
+ 63434420 × 8000 what gives us 507475360000
+ 63434420 × 70000 what gives us 4440409400000
+ 63434420 × 400000 what gives us 25373768000000
+ 63434420 × 1000000 resulting in 63434420000000
+ 63434420 × 40000000 which equals 2537376800000000

= 2631190027172420
