461572380 has 72 divisors (see below), whose sum is σ = 1421037072. Its totient is φ = 121245696.

The previous prime is 461572369. The next prime is 461572409. The reversal of 461572380 is 83275164.

461572380 is a `hidden beast` number, since 4 + 6 + 1 + 572 + 3 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7077 + ... + 31196.

It is an arithmetic number, because the mean of its divisors is an integer number (19736626).

Almost surely, 2^461572380 is an apocalyptic number.

It is an amenable number.

461572380 is an abundant number, since it is smaller than the sum of its proper divisors (959464692).

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

461572380 is a wasteful number, since it uses less digits than its factorization.

461572380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38355 (or 38350 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 461572380 is about 21484.2356159115. The cubic root of 461572380 is about 772.8228204300.

The spelling of 461572380 in words is "four hundred sixty-one million, five hundred seventy-two thousand, three hundred eighty".