2004404020044 has 12 divisors (see below), whose sum is σ = 4676942713464. Its totient is φ = 668134673344.

The previous prime is 2004404019973. The next prime is 2004404020067. The reversal of 2004404020044 is 4400204044002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2004404019996 and 2004404020023.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83516834157 + ... + 83516834180.

It is an arithmetic number, because the mean of its divisors is an integer number (389745226122).

Almost surely, 2^{2004404020044} is an apocalyptic number.

It is an amenable number.

2004404020044 is an abundant number, since it is smaller than the sum of its proper divisors (2672538693420).

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

2004404020044 is a wasteful number, since it uses less digits than its factorization.

2004404020044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167033668344 (or 167033668342 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 2004404020044 its reverse (4400204044002), we get a palindrome (6404608064046).

The spelling of 2004404020044 in words is "two trillion, four billion, four hundred four million, twenty thousand, forty-four".