400162072 has 32 divisors (see below), whose sum is σ = 765000000. Its totient is φ = 196180128.

The previous prime is 400162069. The next prime is 400162093. The reversal of 400162072 is 270261004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234679 + ... + 236377.

It is an arithmetic number, because the mean of its divisors is an integer number (23906250).

Almost surely, 2^400162072 is an apocalyptic number.

It is an amenable number.

400162072 is a deficient number, since it is larger than the sum of its proper divisors (364837928).

400162072 is a wasteful number, since it uses less digits than its factorization.

400162072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2263 (or 2259 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 400162072 is about 20004.0513896560. The cubic root of 400162072 is about 736.9057993497.

The spelling of 400162072 in words is "four hundred million, one hundred sixty-two thousand, seventy-two".