400461366 has 16 divisors (see below), whose sum is σ = 843076800. Its totient is φ = 126461448.

The previous prime is 400461329. The next prime is 400461389. The reversal of 400461366 is 663164004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1756296 + ... + 1756523.

It is an arithmetic number, because the mean of its divisors is an integer number (52692300).

Almost surely, 2^400461366 is an apocalyptic number.

400461366 is an abundant number, since it is smaller than the sum of its proper divisors (442615434).

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

400461366 is a wasteful number, since it uses less digits than its factorization.

400461366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3512843.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 400461366 is about 20011.5308260013. The cubic root of 400461366 is about 737.0894720303.

The spelling of 400461366 in words is "four hundred million, four hundred sixty-one thousand, three hundred sixty-six".