Alright, let's work through 13440838 times 53392942 step by step
13440838 × 53392942 = 53392942 × (13440838)
+ 53392942 × 8 that equals 427143536
+ 53392942 × 30 what gives us 1601788260
+ 53392942 × 800 resulting in 42714353600
+ 53392942 × 0000 that is equal 0
+ 53392942 × 40000 yielding 2135717680000
+ 53392942 × 400000 producing 21357176800000
+ 53392942 × 3000000 that results in 160178826000000
+ 53392942 × 10000000 that results in 533929420000000

= 717645883765396
