504504504 has 64 divisors (see below), whose sum is σ = 1601606400. Its totient is φ = 144143712.

The previous prime is 504504499. The next prime is 504504521. The reversal of 504504504 is 405405405.

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

504504504 is a modest number, since divided by 504504 gives 504 as remainder.

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, 165322 + ... + 168345.

It is an arithmetic number, because the mean of its divisors is an integer number (25025100).

Almost surely, 2^504504504 is an apocalyptic number.

504504504 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

504504504 is an abundant number, since it is smaller than the sum of its proper divisors (1097101896).

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

504504504 is a wasteful number, since it uses less digits than its factorization.

504504504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333689 (or 333679 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 504504504 is about 22461.1777073243. The cubic root of 504504504 is about 796.0768887791.

Adding to 504504504 its reverse (405405405), we get a palindrome (909909909).

Subtracting from 504504504 its reverse (405405405), we obtain a palindrome (99099099).

The spelling of 504504504 in words is "five hundred four million, five hundred four thousand, five hundred four".