461891460 has 48 divisors (see below), whose sum is σ = 1300029696. Its totient is φ = 122529792.

The previous prime is 461891407. The next prime is 461891473. The reversal of 461891460 is 64198164.

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, 8364 + ... + 31523.

It is an arithmetic number, because the mean of its divisors is an integer number (27083952).

Almost surely, 2^461891460 is an apocalyptic number.

It is an amenable number.

461891460 is an abundant number, since it is smaller than the sum of its proper divisors (838138236).

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

461891460 is a wasteful number, since it uses less digits than its factorization.

461891460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40092 (or 40090 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 461891460 is about 21491.6602429873. The cubic root of 461891460 is about 773.0008607662. Note that the first 3 decimals are identical.

The spelling of 461891460 in words is "four hundred sixty-one million, eight hundred ninety-one thousand, four hundred sixty".