400475316 has 12 divisors (see below), whose sum is σ = 934442432. Its totient is φ = 133491768.

The previous prime is 400475311. The next prime is 400475321. The reversal of 400475316 is 613574004.

It is an interprime number because it is at equal distance from previous prime (400475311) and next prime (400475321).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400475311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16686460 + ... + 16686483.

Almost surely, 2^400475316 is an apocalyptic number.

It is an amenable number.

400475316 is an abundant number, since it is smaller than the sum of its proper divisors (533967116).

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

400475316 is a wasteful number, since it uses less digits than its factorization.

400475316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33372950 (or 33372948 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 400475316 is about 20011.8793720130. The cubic root of 400475316 is about 737.0980307242.

The spelling of 400475316 in words is "four hundred million, four hundred seventy-five thousand, three hundred sixteen".