409312404 has 36 divisors (see below), whose sum is σ = 1036037184. Its totient is φ = 136254672.

The previous prime is 409312391. The next prime is 409312411. The reversal of 409312404 is 404213904.

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, 21109 + ... + 35555.

Almost surely, 2^409312404 is an apocalyptic number.

It is an amenable number.

409312404 is an abundant number, since it is smaller than the sum of its proper divisors (626724780).

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

409312404 is a wasteful number, since it uses less digits than its factorization.

409312404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15244 (or 15239 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 409312404 is about 20231.4706336440. The cubic root of 409312404 is about 742.4803572670.

The spelling of 409312404 in words is "four hundred nine million, three hundred twelve thousand, four hundred four".