400727244 has 12 divisors (see below), whose sum is σ = 935030264. Its totient is φ = 133575744.

The previous prime is 400727231. The next prime is 400727293. The reversal of 400727244 is 442727004.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16696957 + ... + 16696980.

Almost surely, 2^400727244 is an apocalyptic number.

It is an amenable number.

400727244 is an abundant number, since it is smaller than the sum of its proper divisors (534303020).

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

400727244 is a wasteful number, since it uses less digits than its factorization.

400727244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33393944 (or 33393942 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 400727244 is about 20018.1728436938. The cubic root of 400727244 is about 737.2525610204.

The spelling of 400727244 in words is "four hundred million, seven hundred twenty-seven thousand, two hundred forty-four".