Alright, let's work through 90867485 times 52413441 step by step
90867485 × 52413441 = 52413441 × (90867485)
+ 52413441 × 5 which equals 262067205
+ 52413441 × 80 what gives us 4193075280
+ 52413441 × 400 that results in 20965376400
+ 52413441 × 7000 that is equal 366894087000
+ 52413441 × 60000 that equals 3144806460000
+ 52413441 × 800000 which equals 41930752800000
+ 52413441 × 0000000 what gives us 0
+ 52413441 × 90000000 giving us 4717209690000000

= 4762677563865885
