40322904 has 16 divisors (see below), whose sum is σ = 100807320. Its totient is φ = 13440960.

The previous prime is 40322873. The next prime is 40322917. The reversal of 40322904 is 40922304.

It is a happy number.

40322904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 1680121 = 40322904 / (4 + 0 + 3 + 2 + 2 + 9 + 0 + 4).

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 840037 + ... + 840084.

Almost surely, 2^40322904 is an apocalyptic number.

It is an amenable number.

40322904 is an abundant number, since it is smaller than the sum of its proper divisors (60484416).

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

40322904 is a wasteful number, since it uses less digits than its factorization.

40322904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680130 (or 1680126 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40322904 is about 6350.0318109439. The cubic root of 40322904 is about 342.9129875305.

The spelling of 40322904 in words is "forty million, three hundred twenty-two thousand, nine hundred four".