40407804 has 36 divisors (see below), whose sum is σ = 103587120. Its totient is φ = 13278720.

The previous prime is 40407799. The next prime is 40407839. The reversal of 40407804 is 40870404.

40407804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 5349 + ... + 10460.

It is an arithmetic number, because the mean of its divisors is an integer number (2877420).

Almost surely, 2^40407804 is an apocalyptic number.

It is an amenable number.

40407804 is an abundant number, since it is smaller than the sum of its proper divisors (63179316).

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

40407804 is a wasteful number, since it uses less digits than its factorization.

40407804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15890 (or 15885 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 40407804 is about 6356.7133016992. The cubic root of 40407804 is about 343.1534869398.

The spelling of 40407804 in words is "forty million, four hundred seven thousand, eight hundred four".