520844044 has 12 divisors (see below), whose sum is σ = 1041688144. Its totient is φ = 223218864.

The previous prime is 520843957. The next prime is 520844059. The reversal of 520844044 is 440448025.

520844044 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 520843997 and 520844015.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9300759 + ... + 9300814.

Almost surely, 2^520844044 is an apocalyptic number.

It is an amenable number.

520844044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

520844044 is a wasteful number, since it uses less digits than its factorization.

520844044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18601584 (or 18601582 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 520844044 is about 22822.0078871251. The cubic root of 520844044 is about 804.5800023522.

The spelling of 520844044 in words is "five hundred twenty million, eight hundred forty-four thousand, forty-four".