40995025992 has 40 divisors (see below), whose sum is σ = 114824032950. Its totient is φ = 13665008448.

The previous prime is 40995025979. The next prime is 40995025997. The reversal of 40995025992 is 29952059904.

40995025992 is a `hidden beast` number, since 40 + 9 + 9 + 5 + 0 + 2 + 599 + 2 = 666.

40995025992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 24091385796 + 16903640196 = 155214^2 + 130014^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (40995025997) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 31631317 + ... + 31632612.

Almost surely, 2^40995025992 is an apocalyptic number.

It is an amenable number.

40995025992 is an abundant number, since it is smaller than the sum of its proper divisors (73829006958).

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

40995025992 is a wasteful number, since it uses less digits than its factorization.

40995025992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63263947 (or 63263934 counting only the distinct ones).

The product of its (nonzero) digits is 2624400, while the sum is 54.

The spelling of 40995025992 in words is "forty billion, nine hundred ninety-five million, twenty-five thousand, nine hundred ninety-two".