520983760 has 40 divisors (see below), whose sum is σ = 1321406496. Its totient is φ = 189448320.

The previous prime is 520983731. The next prime is 520983763. The reversal of 520983760 is 67389025.

520983760 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520983763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295134 + ... + 296893.

Almost surely, 2^520983760 is an apocalyptic number.

It is an amenable number.

520983760 is an abundant number, since it is smaller than the sum of its proper divisors (800422736).

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

520983760 is a wasteful number, since it uses less digits than its factorization.

520983760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 592051 (or 592045 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 520983760 is about 22825.0686745955. The cubic root of 520983760 is about 804.6519385686.

The spelling of 520983760 in words is "five hundred twenty million, nine hundred eighty-three thousand, seven hundred sixty".