520380504 has 64 divisors (see below), whose sum is σ = 1652006400. Its totient is φ = 148679712.

The previous prime is 520380473. The next prime is 520380527. The reversal of 520380504 is 405083025.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 170572 + ... + 173595.

It is an arithmetic number, because the mean of its divisors is an integer number (25812600).

Almost surely, 2^520380504 is an apocalyptic number.

520380504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

520380504 is an abundant number, since it is smaller than the sum of its proper divisors (1131625896).

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

520380504 is a wasteful number, since it uses less digits than its factorization.

520380504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344189 (or 344179 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 520380504 is about 22811.8500784132. The cubic root of 520380504 is about 804.3412452079.

The spelling of 520380504 in words is "five hundred twenty million, three hundred eighty thousand, five hundred four".