520045104 has 40 divisors (see below), whose sum is σ = 1355788720. Its totient is φ = 171756288.

The previous prime is 520045091. The next prime is 520045117. The reversal of 520045104 is 401540025.

It is an interprime number because it is at equal distance from previous prime (520045091) and next prime (520045117).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44467 + ... + 54930.

It is an arithmetic number, because the mean of its divisors is an integer number (33894718).

Almost surely, 2^520045104 is an apocalyptic number.

It is an amenable number.

520045104 is an abundant number, since it is smaller than the sum of its proper divisors (835743616).

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

520045104 is a wasteful number, since it uses less digits than its factorization.

520045104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99517 (or 99511 counting only the distinct ones).

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

The square root of 520045104 is about 22804.4974511608. The cubic root of 520045104 is about 804.1684011501.

Adding to 520045104 its reverse (401540025), we get a palindrome (921585129).

The spelling of 520045104 in words is "five hundred twenty million, forty-five thousand, one hundred four".