Alright, let's work through 5090795 times 82490813 step by step
5090795 × 82490813 = 82490813 × (5090795)
+ 82490813 × 5 giving us 412454065
+ 82490813 × 90 which equals 7424173170
+ 82490813 × 700 which equals 57743569100
+ 82490813 × 0000 giving us 0
+ 82490813 × 90000 that equals 7424173170000
+ 82490813 × 000000 giving us 0
+ 82490813 × 5000000 that is equal 412454065000000

= 419943818366335
