2504000405 has 16 divisors (see below), whose sum is σ = 3165055680. Its totient is φ = 1896504192.

The previous prime is 2504000399. The next prime is 2504000437. The reversal of 2504000405 is 5040004052.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2504000405 - 2²⁸ = 2235564949 is a prime.

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, 149462 + ... + 165368.

It is an arithmetic number, because the mean of its divisors is an integer number (197815980).

Almost surely, 2^2504000405 is an apocalyptic number.

It is an amenable number.

2504000405 is a deficient number, since it is larger than the sum of its proper divisors (661055275).

2504000405 is a wasteful number, since it uses less digits than its factorization.

2504000405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17588.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 2504000405 is about 50039.9880595509. The cubic root of 2504000405 is about 1357.9323404987.

Adding to 2504000405 its reverse (5040004052), we get a palindrome (7544004457).

The spelling of 2504000405 in words is "two billion, five hundred four million, four hundred five", and thus it is an aban number.