461504556 has 36 divisors (see below), whose sum is σ = 1167325432. Its totient is φ = 153736704.

The previous prime is 461504551. The next prime is 461504621. The reversal of 461504556 is 655405164.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 461504556.

It is not an unprimeable number, because it can be changed into a prime (461504551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73035 + ... + 79101.

Almost surely, 2^461504556 is an apocalyptic number.

It is an amenable number.

461504556 is an abundant number, since it is smaller than the sum of its proper divisors (705820876).

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

461504556 is a wasteful number, since it uses less digits than its factorization.

461504556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8190 (or 8185 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 461504556 is about 21482.6570982269. The cubic root of 461504556 is about 772.7849654046.

The spelling of 461504556 in words is "four hundred sixty-one million, five hundred four thousand, five hundred fifty-six".