500504004 has 576 divisors, whose sum is σ = 1937295360. Its totient is φ = 104509440.

The previous prime is 500503999. The next prime is 500504033. The reversal of 500504004 is 400405005.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 11639607 + ... + 11639649.

It is an arithmetic number, because the mean of its divisors is an integer number (3363360).

Almost surely, 2^500504004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 500504004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (968647680).

500504004 is an abundant number, since it is smaller than the sum of its proper divisors (1436791356).

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

500504004 is a wasteful number, since it uses less digits than its factorization.

500504004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 500504004 is about 22371.9468084474. The cubic root of 500504004 is about 793.9671219205.

Adding to 500504004 its reverse (400405005), we get a palindrome (900909009).

The spelling of 500504004 in words is "five hundred million, five hundred four thousand, four".