520041504 has 24 divisors (see below), whose sum is σ = 1365109200. Its totient is φ = 173347136.

The previous prime is 520041503. The next prime is 520041521. The reversal of 520041504 is 405140025.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (520041503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2708454 + ... + 2708645.

It is an arithmetic number, because the mean of its divisors is an integer number (56879550).

Almost surely, 2^520041504 is an apocalyptic number.

It is an amenable number.

520041504 is an abundant number, since it is smaller than the sum of its proper divisors (845067696).

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

520041504 is a wasteful number, since it uses less digits than its factorization.

520041504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5417112 (or 5417104 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 520041504 is about 22804.4185192256. The cubic root of 520041504 is about 804.1665455335.

Adding to 520041504 its reverse (405140025), we get a palindrome (925181529).

The spelling of 520041504 in words is "five hundred twenty million, forty-one thousand, five hundred four".