56456023040440 has 64 divisors (see below), whose sum is σ = 128561586168960. Its totient is φ = 22309446925440.

The previous prime is 56456023040419. The next prime is 56456023040441. The reversal of 56456023040440 is 4404032065465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56456023040441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86749455 + ... + 87397825.

It is an arithmetic number, because the mean of its divisors is an integer number (2008774783890).

Almost surely, 2^{56456023040440} is an apocalyptic number.

It is an amenable number.

56456023040440 is an abundant number, since it is smaller than the sum of its proper divisors (72105563128520).

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

56456023040440 is a wasteful number, since it uses less digits than its factorization.

56456023040440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674692 (or 674688 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 56456023040440 in words is "fifty-six trillion, four hundred fifty-six billion, twenty-three million, forty thousand, four hundred forty".