Alright, let's work through 9862421 times 52573398 step by step
9862421 × 52573398 = 52573398 × (9862421)
+ 52573398 × 1 that equals 52573398
+ 52573398 × 20 that equals 1051467960
+ 52573398 × 400 resulting in 21029359200
+ 52573398 × 2000 that is equal 105146796000
+ 52573398 × 60000 giving us 3154403880000
+ 52573398 × 800000 giving us 42058718400000
+ 52573398 × 9000000 that results in 473160582000000

= 518500984476558
