461532180 has 48 divisors (see below), whose sum is σ = 1311589440. Its totient is φ = 121237248.

The previous prime is 461532157. The next prime is 461532221. The reversal of 461532180 is 81235164.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53385 + ... + 61424.

It is an arithmetic number, because the mean of its divisors is an integer number (27324780).

Almost surely, 2^461532180 is an apocalyptic number.

It is an amenable number.

461532180 is an abundant number, since it is smaller than the sum of its proper divisors (850057260).

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

461532180 is a wasteful number, since it uses less digits than its factorization.

461532180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114888 (or 114886 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 461532180 is about 21483.3000258340. The cubic root of 461532180 is about 772.8003838049.

The spelling of 461532180 in words is "four hundred sixty-one million, five hundred thirty-two thousand, one hundred eighty".