520244684 has 24 divisors (see below), whose sum is σ = 916816320. Its totient is φ = 258304256.

The previous prime is 520244653. The next prime is 520244701. The reversal of 520244684 is 486442025.

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, 532004 + ... + 532980.

It is an arithmetic number, because the mean of its divisors is an integer number (38200680).

Almost surely, 2^520244684 is an apocalyptic number.

It is an amenable number.

520244684 is a deficient number, since it is larger than the sum of its proper divisors (396571636).

520244684 is a wasteful number, since it uses less digits than its factorization.

520244684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777 (or 1775 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The square root of 520244684 is about 22808.8729226150. The cubic root of 520244684 is about 804.2712610759.

The spelling of 520244684 in words is "five hundred twenty million, two hundred forty-four thousand, six hundred eighty-four".