520424646 has 32 divisors (see below), whose sum is σ = 1191056640. Its totient is φ = 148503456.

The previous prime is 520424627. The next prime is 520424669. The reversal of 520424646 is 646424025.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27345 + ... + 42291.

It is an arithmetic number, because the mean of its divisors is an integer number (37220520).

Almost surely, 2^520424646 is an apocalyptic number.

520424646 is an abundant number, since it is smaller than the sum of its proper divisors (670631994).

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

520424646 is a wasteful number, since it uses less digits than its factorization.

520424646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15788.

The product of its (nonzero) digits is 46080, while the sum is 33.

The square root of 520424646 is about 22812.8175813511. The cubic root of 520424646 is about 804.3639876865.

The spelling of 520424646 in words is "five hundred twenty million, four hundred twenty-four thousand, six hundred forty-six".