461632656 has 40 divisors (see below), whose sum is σ = 1231024384. Its totient is φ = 148913280.

The previous prime is 461632651. The next prime is 461632663. The reversal of 461632656 is 656236164.

It is a super-2 number, since 2×461632656² = 426209418171228672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (461632651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153631 + ... + 156606.

Almost surely, 2^461632656 is an apocalyptic number.

It is an amenable number.

461632656 is an abundant number, since it is smaller than the sum of its proper divisors (769391728).

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

461632656 is a wasteful number, since it uses less digits than its factorization.

461632656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310279 (or 310273 counting only the distinct ones).

The product of its digits is 155520, while the sum is 39.

The square root of 461632656 is about 21485.6383661273. The cubic root of 461632656 is about 772.8564595317.

The spelling of 461632656 in words is "four hundred sixty-one million, six hundred thirty-two thousand, six hundred fifty-six".