520445217952 has 48 divisors (see below), whose sum is σ = 1120888238400. Its totient is φ = 235906992640.

The previous prime is 520445217949. The next prime is 520445217973. The reversal of 520445217952 is 259712544025.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932877 + ... + 2185612.

It is an arithmetic number, because the mean of its divisors is an integer number (23351838300).

Almost surely, 2^520445217952 is an apocalyptic number.

It is an amenable number.

520445217952 is an abundant number, since it is smaller than the sum of its proper divisors (600443020448).

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

520445217952 is a wasteful number, since it uses less digits than its factorization.

520445217952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4118869 (or 4118861 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 46.

The spelling of 520445217952 in words is "five hundred twenty billion, four hundred forty-five million, two hundred seventeen thousand, nine hundred fifty-two".