504240004 has 12 divisors (see below), whose sum is σ = 882751324. Its totient is φ = 252025344.

The previous prime is 504240001. The next prime is 504240007. The reversal of 504240004 is 400042405.

It is an interprime number because it is at equal distance from previous prime (504240001) and next prime (504240007).

It can be written as a sum of positive squares in 2 ways, for example, as 267387904 + 236852100 = 16352^2 + 15390^2 .

It is not an unprimeable number, because it can be changed into a prime (504240001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10917 + ... + 33580.

Almost surely, 2^504240004 is an apocalyptic number.

It is an amenable number.

504240004 is a deficient number, since it is larger than the sum of its proper divisors (378511320).

504240004 is a wasteful number, since it uses less digits than its factorization.

504240004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47334 (or 47332 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 504240004 is about 22455.2889983629. The cubic root of 504240004 is about 795.9377429150.

Adding to 504240004 its reverse (400042405), we get a palindrome (904282409).

The spelling of 504240004 in words is "five hundred four million, two hundred forty thousand, four".