400466225 has 36 divisors (see below), whose sum is σ = 525810096. Its totient is φ = 302507040.

The previous prime is 400466219. The next prime is 400466239. The reversal of 400466225 is 522664004.

It is not a de Polignac number, because 400466225 - 2⁸ = 400465969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1414934 + ... + 1415216.

It is an arithmetic number, because the mean of its divisors is an integer number (14605836).

Almost surely, 2^400466225 is an apocalyptic number.

It is an amenable number.

400466225 is a deficient number, since it is larger than the sum of its proper divisors (125343871).

400466225 is a wasteful number, since it uses less digits than its factorization.

400466225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 418 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 400466225 is about 20011.6522306380. The cubic root of 400466225 is about 737.0924531779.

The spelling of 400466225 in words is "four hundred million, four hundred sixty-six thousand, two hundred twenty-five".