40513231504 has 40 divisors (see below), whose sum is σ = 82718223552. Its totient is φ = 19184035200.

The previous prime is 40513231487. The next prime is 40513231529.

40513231504 is nontrivially palindromic in base 10.

40513231504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

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, 507834 + ... + 582169.

Almost surely, 2^40513231504 is an apocalyptic number.

It is an amenable number.

40513231504 is an abundant number, since it is smaller than the sum of its proper divisors (42204992048).

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

40513231504 is a wasteful number, since it uses less digits than its factorization.

40513231504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090135 (or 1090129 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 40513231504 in words is "forty billion, five hundred thirteen million, two hundred thirty-one thousand, five hundred four".