40555432 has 16 divisors (see below), whose sum is σ = 76363200. Its totient is φ = 20191920.

The previous prime is 40555399. The next prime is 40555433. The reversal of 40555432 is 23455504.

40555432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40555432.

It is not an unprimeable number, because it can be changed into a prime (40555433) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 8694 + ... + 12517.

It is an arithmetic number, because the mean of its divisors is an integer number (4772700).

Almost surely, 2^40555432 is an apocalyptic number.

It is an amenable number.

40555432 is a deficient number, since it is larger than the sum of its proper divisors (35807768).

40555432 is a wasteful number, since it uses less digits than its factorization.

40555432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21456 (or 21452 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 40555432 is about 6368.3146907168. The cubic root of 40555432 is about 343.5708773890.

The spelling of 40555432 in words is "forty million, five hundred fifty-five thousand, four hundred thirty-two".