400462256 has 10 divisors (see below), whose sum is σ = 775895652. Its totient is φ = 200231120.

The previous prime is 400462253. The next prime is 400462261. The reversal of 400462256 is 652264004.

It is not an unprimeable number, because it can be changed into a prime (400462253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12514430 + ... + 12514461.

Almost surely, 2^400462256 is an apocalyptic number.

It is an amenable number.

400462256 is a deficient number, since it is larger than the sum of its proper divisors (375433396).

400462256 is a wasteful number, since it uses less digits than its factorization.

400462256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25028899 (or 25028893 counting only the distinct ones).

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

The square root of 400462256 is about 20011.5530631683. The cubic root of 400462256 is about 737.0900180748.

The spelling of 400462256 in words is "four hundred million, four hundred sixty-two thousand, two hundred fifty-six".