504431504 has 40 divisors (see below), whose sum is σ = 1021101312. Its totient is φ = 241119360.

The previous prime is 504431503. The next prime is 504431507. The reversal of 504431504 is 405134405.

It is a super-2 number, since 2×504431504² = 508902284455404032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (504431503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35042 + ... + 47294.

Almost surely, 2^504431504 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 504431504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (510550656).

504431504 is an abundant number, since it is smaller than the sum of its proper divisors (516669808).

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

504431504 is a wasteful number, since it uses less digits than its factorization.

504431504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12375 (or 12369 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 504431504 is about 22459.5526224366. The cubic root of 504431504 is about 796.0384904327.

Adding to 504431504 its reverse (405134405), we get a palindrome (909565909).

The spelling of 504431504 in words is "five hundred four million, four hundred thirty-one thousand, five hundred four".