40231755011628 has 72 divisors (see below), whose sum is σ = 108986610995808. Its totient is φ = 12480826457088.

The previous prime is 40231755011563. The next prime is 40231755011699. The reversal of 40231755011628 is 82611055713204.

40231755011628 is a `hidden beast` number, since 4 + 0 + 2 + 3 + 1 + 7 + 5 + 5 + 0 + 11 + 628 = 666.

It is a super-2 number, since 2×40231755011628² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 656578501 + ... + 656639772.

Almost surely, 2^{40231755011628} is an apocalyptic number.

It is an amenable number.

40231755011628 is an abundant number, since it is smaller than the sum of its proper divisors (68754855984180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40231755011628 is a wasteful number, since it uses less digits than its factorization.

40231755011628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313218343 (or 1313218338 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 45.

The spelling of 40231755011628 in words is "forty trillion, two hundred thirty-one billion, seven hundred fifty-five million, eleven thousand, six hundred twenty-eight".