2004844656 has 20 divisors (see below), whose sum is σ = 5179182152. Its totient is φ = 668281536.

The previous prime is 2004844649. The next prime is 2004844669. The reversal of 2004844656 is 6564484002.

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 3 ways as a sum of consecutive naturals, for example, 20883751 + ... + 20883846.

Almost surely, 2^2004844656 is an apocalyptic number.

It is an amenable number.

2004844656 is an abundant number, since it is smaller than the sum of its proper divisors (3174337496).

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

2004844656 is a wasteful number, since it uses less digits than its factorization.

2004844656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41767608 (or 41767602 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 2004844656 is about 44775.4916890926. The cubic root of 2004844656 is about 1260.9375435881.

The spelling of 2004844656 in words is "two billion, four million, eight hundred forty-four thousand, six hundred fifty-six".