40163192972 has 48 divisors (see below), whose sum is σ = 80871835968. Its totient is φ = 17096217600.

The previous prime is 40163192957. The next prime is 40163192999. The reversal of 40163192972 is 27929136104.

It is a super-2 number, since 2×40163192972² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3397472 + ... + 3409272.

It is an arithmetic number, because the mean of its divisors is an integer number (1684829916).

Almost surely, 2^40163192972 is an apocalyptic number.

It is an amenable number.

40163192972 is an abundant number, since it is smaller than the sum of its proper divisors (40708642996).

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

40163192972 is a wasteful number, since it uses less digits than its factorization.

40163192972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12626 (or 12624 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 40163192972 in words is "forty billion, one hundred sixty-three million, one hundred ninety-two thousand, nine hundred seventy-two".