2002004044 has 6 divisors (see below), whose sum is σ = 3503507084. Its totient is φ = 1001002020.

The previous prime is 2002004041. The next prime is 2002004063. The reversal of 2002004044 is 4404002002.

It is not an unprimeable number, because it can be changed into a prime (2002004041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250250502 + ... + 250250509.

Almost surely, 2^2002004044 is an apocalyptic number.

It is an amenable number.

2002004044 is a deficient number, since it is larger than the sum of its proper divisors (1501503040).

2002004044 is a wasteful number, since it uses less digits than its factorization.

2002004044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500501015 (or 500501013 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2002004044 is about 44743.7598330762. The cubic root of 2002004044 is about 1260.3417322852.

Adding to 2002004044 its reverse (4404002002), we get a palindrome (6406006046).

The spelling of 2002004044 in words is "two billion, two million, four thousand, forty-four", and thus it is an eban number.