4040504 has 16 divisors (see below), whose sum is σ = 8158920. Its totient is φ = 1864800.

The previous prime is 4040501. The next prime is 4040507. The reversal of 4040504 is 4050404.

It is an interprime number because it is at equal distance from previous prime (4040501) and next prime (4040507).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4040501) 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, 19322 + ... + 19529.

Almost surely, 2^4040504 is an apocalyptic number.

It is an amenable number.

4040504 is an abundant number, since it is smaller than the sum of its proper divisors (4118416).

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

4040504 is a wasteful number, since it uses less digits than its factorization.

4040504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38870 (or 38866 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 17.

The square root of 4040504 is about 2010.1004950002. The cubic root of 4040504 is about 159.2741075647.

Adding to 4040504 its reverse (4050404), we get a palindrome (8090908).

The spelling of 4040504 in words is "four million, forty thousand, five hundred four".