400371372 has 36 divisors (see below), whose sum is σ = 1016271256. Its totient is φ = 132900480.

The previous prime is 400371341. The next prime is 400371383. The reversal of 400371372 is 273173004.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14398 + ... + 31749.

Almost surely, 2^400371372 is an apocalyptic number.

It is an amenable number.

400371372 is an abundant number, since it is smaller than the sum of its proper divisors (615899884).

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

400371372 is a wasteful number, since it uses less digits than its factorization.

400371372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46398 (or 46393 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 27.

The square root of 400371372 is about 20009.2821460441. The cubic root of 400371372 is about 737.0342535539.

The spelling of 400371372 in words is "four hundred million, three hundred seventy-one thousand, three hundred seventy-two".