520518960 has 400 divisors, whose sum is σ = 2011496256. Its totient is φ = 123918336.

The previous prime is 520518959. The next prime is 520518961. The reversal of 520518960 is 69815025.

It is a happy number.

520518960 is a `hidden beast` number, since 52 + 0 + 518 + 96 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (520518959) and next prime (520518961).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520518961) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3116797 + ... + 3116963.

Almost surely, 2^520518960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520518960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1005748128).

520518960 is an abundant number, since it is smaller than the sum of its proper divisors (1490977296).

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

520518960 is a wasteful number, since it uses less digits than its factorization.

520518960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242 (or 227 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 520518960 is about 22814.8846150928. The cubic root of 520518960 is about 804.4125750618.

The spelling of 520518960 in words is "five hundred twenty million, five hundred eighteen thousand, nine hundred sixty".