520287855244 has 6 divisors (see below), whose sum is σ = 910503746684. Its totient is φ = 260143927620.

The previous prime is 520287855211. The next prime is 520287855253. The reversal of 520287855244 is 442558782025.

It is a junction number, because it is equal to n+sod(n) for n = 520287855191 and 520287855200.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65035981902 + ... + 65035981909.

Almost surely, 2^520287855244 is an apocalyptic number.

It is an amenable number.

520287855244 is a deficient number, since it is larger than the sum of its proper divisors (390215891440).

520287855244 is a wasteful number, since it uses less digits than its factorization.

520287855244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130071963815 (or 130071963813 counting only the distinct ones).

The product of its (nonzero) digits is 7168000, while the sum is 52.

The spelling of 520287855244 in words is "five hundred twenty billion, two hundred eighty-seven million, eight hundred fifty-five thousand, two hundred forty-four".