40087777992 has 16 divisors (see below), whose sum is σ = 100219445040. Its totient is φ = 13362592656.

The previous prime is 40087777981. The next prime is 40087778039. The reversal of 40087777992 is 29977778004.

40087777992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835162018 + ... + 835162065.

It is an arithmetic number, because the mean of its divisors is an integer number (6263715315).

Almost surely, 2^40087777992 is an apocalyptic number.

It is an amenable number.

40087777992 is an abundant number, since it is smaller than the sum of its proper divisors (60131667048).

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

40087777992 is a wasteful number, since it uses less digits than its factorization.

40087777992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670324092 (or 1670324088 counting only the distinct ones).

The product of its (nonzero) digits is 12446784, while the sum is 60.

The spelling of 40087777992 in words is "forty billion, eighty-seven million, seven hundred seventy-seven thousand, nine hundred ninety-two".