400022936 has 16 divisors (see below), whose sum is σ = 750285240. Its totient is φ = 199946880.

The previous prime is 400022929. The next prime is 400022939. The reversal of 400022936 is 639220004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400022939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27431 + ... + 39401.

Almost surely, 2^400022936 is an apocalyptic number.

It is an amenable number.

400022936 is a deficient number, since it is larger than the sum of its proper divisors (350262304).

400022936 is a wasteful number, since it uses less digits than its factorization.

400022936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16154 (or 16150 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 400022936 is about 20000.5733917805. The cubic root of 400022936 is about 736.8203822833.

The spelling of 400022936 in words is "four hundred million, twenty-two thousand, nine hundred thirty-six".