2004005404 has 24 divisors (see below), whose sum is σ = 3521649600. Its totient is φ = 997830144.

The previous prime is 2004005383. The next prime is 2004005453. The reversal of 2004005404 is 4045004002.

It is a super-2 number, since 2×2004005404² = 8032075318522406432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1816317 + ... + 1817419.

It is an arithmetic number, because the mean of its divisors is an integer number (146735400).

Almost surely, 2^2004005404 is an apocalyptic number.

It is an amenable number.

2004005404 is a deficient number, since it is larger than the sum of its proper divisors (1517644196).

2004005404 is a wasteful number, since it uses less digits than its factorization.

2004005404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2589 (or 2587 counting only the distinct ones).

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

The square root of 2004005404 is about 44766.1189293868. The cubic root of 2004005404 is about 1260.7615711753.

Adding to 2004005404 its reverse (4045004002), we get a palindrome (6049009406).

The spelling of 2004005404 in words is "two billion, four million, five thousand, four hundred four".