No problem, we've got 19539828 and 40134327 to multiply
19539828 × 40134327 = 40134327 × (19539828)
+ 40134327 × 8 yielding 321074616
+ 40134327 × 20 that is equal 802686540
+ 40134327 × 800 giving us 32107461600
+ 40134327 × 9000 that is equal 361208943000
+ 40134327 × 30000 what gives us 1204029810000
+ 40134327 × 500000 giving us 20067163500000
+ 40134327 × 9000000 yielding 361208943000000
+ 40134327 × 10000000 what gives us 401343270000000

= 784217846475756
