56402242648660 has 12 divisors (see below), whose sum is σ = 118444709562228. Its totient is φ = 22560897059456.

The previous prime is 56402242648657. The next prime is 56402242648669. The reversal of 56402242648660 is 6684624220465.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 44751229812496 + 11651012836164 = 6689636^2 + 3413358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56402242648669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410056066197 + ... + 1410056066236.

It is an arithmetic number, because the mean of its divisors is an integer number (9870392463519).

Almost surely, 2^{56402242648660} is an apocalyptic number.

It is an amenable number.

56402242648660 is an abundant number, since it is smaller than the sum of its proper divisors (62042466913568).

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

56402242648660 is a wasteful number, since it uses less digits than its factorization.

56402242648660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2820112132442 (or 2820112132440 counting only the distinct ones).

The product of its (nonzero) digits is 26542080, while the sum is 55.

The spelling of 56402242648660 in words is "fifty-six trillion, four hundred two billion, two hundred forty-two million, six hundred forty-eight thousand, six hundred sixty".