400363316 has 12 divisors (see below), whose sum is σ = 700788900. Its totient is φ = 200137920.

The previous prime is 400363267. The next prime is 400363333. The reversal of 400363316 is 613363004.

It can be written as a sum of positive squares in 2 ways, for example, as 267191716 + 133171600 = 16346^2 + 11540^2 .

It is a congruent number.

It is an unprimeable number.

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, 18410 + ... + 33758.

It is an arithmetic number, because the mean of its divisors is an integer number (58399075).

Almost surely, 2^400363316 is an apocalyptic number.

It is an amenable number.

400363316 is a deficient number, since it is larger than the sum of its proper divisors (300425584).

400363316 is a wasteful number, since it uses less digits than its factorization.

400363316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21874 (or 21872 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 400363316 is about 20009.0808384593. The cubic root of 400363316 is about 737.0293101536.

The spelling of 400363316 in words is "four hundred million, three hundred sixty-three thousand, three hundred sixteen".