520560444 has 12 divisors (see below), whose sum is σ = 1214641064. Its totient is φ = 173520144.

The previous prime is 520560433. The next prime is 520560473. The reversal of 520560444 is 444065025.

It is a tau number, because it is divible by the number of its divisors (12).

It is a zygodrome in base 2.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 21690007 + ... + 21690030.

Almost surely, 2^520560444 is an apocalyptic number.

It is an amenable number.

520560444 is an abundant number, since it is smaller than the sum of its proper divisors (694080620).

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

520560444 is a wasteful number, since it uses less digits than its factorization.

520560444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43380044 (or 43380042 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 520560444 is about 22815.7937403019. The cubic root of 520560444 is about 804.4339443537.

The spelling of 520560444 in words is "five hundred twenty million, five hundred sixty thousand, four hundred forty-four".