520666848 has 72 divisors (see below), whose sum is σ = 1594553688. Its totient is φ = 160204032.

The previous prime is 520666813. The next prime is 520666889. The reversal of 520666848 is 848666025.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65790 + ... + 73277.

It is an arithmetic number, because the mean of its divisors is an integer number (22146579).

Almost surely, 2^520666848 is an apocalyptic number.

It is an amenable number.

520666848 is an abundant number, since it is smaller than the sum of its proper divisors (1073886840).

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

520666848 is a wasteful number, since it uses less digits than its factorization.

520666848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139096 (or 139085 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The square root of 520666848 is about 22818.1254269495. The cubic root of 520666848 is about 804.4887501303.

The spelling of 520666848 in words is "five hundred twenty million, six hundred sixty-six thousand, eight hundred forty-eight".