40023032012 has 12 divisors (see below), whose sum is σ = 70660132536. Its totient is φ = 19834422720.

The previous prime is 40023032009. The next prime is 40023032069. The reversal of 40023032012 is 21023032004.

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, 44272814 + ... + 44273717.

It is an arithmetic number, because the mean of its divisors is an integer number (5888344378).

Almost surely, 2^40023032012 is an apocalyptic number.

It is an amenable number.

40023032012 is a deficient number, since it is larger than the sum of its proper divisors (30637100524).

40023032012 is a wasteful number, since it uses less digits than its factorization.

40023032012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88546648 (or 88546646 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 40023032012 its reverse (21023032004), we get a palindrome (61046064016).

The spelling of 40023032012 in words is "forty billion, twenty-three million, thirty-two thousand, twelve".