400814804 has 24 divisors (see below), whose sum is σ = 795140640. Its totient is φ = 175254624.

The previous prime is 400814803. The next prime is 400814833. The reversal of 400814804 is 408418004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400814801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201854 + ... + 203829.

It is an arithmetic number, because the mean of its divisors is an integer number (33130860).

Almost surely, 2^400814804 is an apocalyptic number.

It is an amenable number.

400814804 is a deficient number, since it is larger than the sum of its proper divisors (394325836).

400814804 is a wasteful number, since it uses less digits than its factorization.

400814804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405719 (or 405717 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 400814804 is about 20020.3597370277. The cubic root of 400814804 is about 737.3062543443.

The spelling of 400814804 in words is "four hundred million, eight hundred fourteen thousand, eight hundred four".