40131087172 has 24 divisors (see below), whose sum is σ = 78059443392. Its totient is φ = 17897224800.

The previous prime is 40131087151. The next prime is 40131087211. The reversal of 40131087172 is 27178013104.

It is a super-2 number, since 2×40131087172² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8602104 + ... + 8606767.

It is an arithmetic number, because the mean of its divisors is an integer number (3252476808).

Almost surely, 2^40131087172 is an apocalyptic number.

It is an amenable number.

40131087172 is a deficient number, since it is larger than the sum of its proper divisors (37928356220).

40131087172 is a wasteful number, since it uses less digits than its factorization.

40131087172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17208939 (or 17208937 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 40131087172 in words is "forty billion, one hundred thirty-one million, eighty-seven thousand, one hundred seventy-two".