400424466 has 32 divisors (see below), whose sum is σ = 863311680. Its totient is φ = 123084864.

The previous prime is 400424447. The next prime is 400424483. The reversal of 400424466 is 664424004.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 105225 + ... + 108963.

It is an arithmetic number, because the mean of its divisors is an integer number (26978490).

Almost surely, 2^400424466 is an apocalyptic number.

400424466 is an abundant number, since it is smaller than the sum of its proper divisors (462887214).

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

400424466 is a wasteful number, since it uses less digits than its factorization.

400424466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5130.

The product of its (nonzero) digits is 18432, while the sum is 30.

The square root of 400424466 is about 20010.6088363148. The cubic root of 400424466 is about 737.0668319463.

The spelling of 400424466 in words is "four hundred million, four hundred twenty-four thousand, four hundred sixty-six".