456661064540 has 48 divisors (see below), whose sum is σ = 992129402880. Its totient is φ = 176352744960.

The previous prime is 456661064507. The next prime is 456661064597. The reversal of 456661064540 is 45460166654.

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, 12899504 + ... + 12934856.

It is an arithmetic number, because the mean of its divisors is an integer number (20669362560).

Almost surely, 2^456661064540 is an apocalyptic number.

It is an amenable number.

456661064540 is an abundant number, since it is smaller than the sum of its proper divisors (535468338340).

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

456661064540 is a wasteful number, since it uses less digits than its factorization.

456661064540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57662 (or 57660 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 47.

The spelling of 456661064540 in words is "four hundred fifty-six billion, six hundred sixty-one million, sixty-four thousand, five hundred forty".