520800768 has 60 divisors (see below), whose sum is σ = 1503079578. Its totient is φ = 173598720.

The previous prime is 520800767. The next prime is 520800793. The reversal of 520800768 is 867008025.

It can be written as a sum of positive squares in only one way, i.e., 389193984 + 131606784 = 19728^2 + 11472^2 .

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

It is not an unprimeable number, because it can be changed into a prime (520800767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51903 + ... + 61118.

Almost surely, 2^520800768 is an apocalyptic number.

It is an amenable number.

520800768 is an abundant number, since it is smaller than the sum of its proper divisors (982278810).

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

520800768 is a wasteful number, since it uses less digits than its factorization.

520800768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113045 (or 113026 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 520800768 is about 22821.0597475227. The cubic root of 520800768 is about 804.5577180306.

The spelling of 520800768 in words is "five hundred twenty million, eight hundred thousand, seven hundred sixty-eight".