Alright, let's work through 16847728 times 40744938 step by step
16847728 × 40744938 = 40744938 × (16847728)
+ 40744938 × 8 producing 325959504
+ 40744938 × 20 resulting in 814898760
+ 40744938 × 700 that results in 28521456600
+ 40744938 × 7000 that results in 285214566000
+ 40744938 × 40000 resulting in 1629797520000
+ 40744938 × 800000 resulting in 32595950400000
+ 40744938 × 6000000 that results in 244469628000000
+ 40744938 × 10000000 resulting in 407449380000000

= 686459632800864
