400468772 has 48 divisors (see below), whose sum is σ = 794404800. Its totient is φ = 174975360.

The previous prime is 400468769. The next prime is 400468777. The reversal of 400468772 is 277864004.

It is not an unprimeable number, because it can be changed into a prime (400468777) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 360554 + ... + 361662.

It is an arithmetic number, because the mean of its divisors is an integer number (16550100).

Almost surely, 2^400468772 is an apocalyptic number.

It is an amenable number.

400468772 is a deficient number, since it is larger than the sum of its proper divisors (393936028).

400468772 is a wasteful number, since it uses less digits than its factorization.

400468772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1436 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 38.

The square root of 400468772 is about 20011.7158684607. The cubic root of 400468772 is about 737.0940158319.

The spelling of 400468772 in words is "four hundred million, four hundred sixty-eight thousand, seven hundred seventy-two".