461644460 has 12 divisors (see below), whose sum is σ = 969453408. Its totient is φ = 184657776.

The previous prime is 461644459. The next prime is 461644483. The reversal of 461644460 is 64446164.

It is a self number, because there is not a number n which added to its sum of digits gives 461644460.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11541092 + ... + 11541131.

It is an arithmetic number, because the mean of its divisors is an integer number (80787784).

Almost surely, 2^461644460 is an apocalyptic number.

It is an amenable number.

461644460 is an abundant number, since it is smaller than the sum of its proper divisors (507808948).

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

461644460 is a wasteful number, since it uses less digits than its factorization.

461644460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23082232 (or 23082230 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 35.

The square root of 461644460 is about 21485.9130594909. The cubic root of 461644460 is about 772.8630468184.

The spelling of 461644460 in words is "four hundred sixty-one million, six hundred forty-four thousand, four hundred sixty".