40539756 has 24 divisors (see below), whose sum is σ = 96606720. Its totient is φ = 13225552.

The previous prime is 40539743. The next prime is 40539833. The reversal of 40539756 is 65793504.

40539756 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 pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35376 + ... + 36503.

It is an arithmetic number, because the mean of its divisors is an integer number (4025280).

Almost surely, 2^40539756 is an apocalyptic number.

It is an amenable number.

40539756 is an abundant number, since it is smaller than the sum of its proper divisors (56066964).

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

40539756 is a wasteful number, since it uses less digits than its factorization.

40539756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71933 (or 71931 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 40539756 is about 6367.0837908732. The cubic root of 40539756 is about 343.5266045597.

The spelling of 40539756 in words is "forty million, five hundred thirty-nine thousand, seven hundred fifty-six".