2002004444 has 24 divisors (see below), whose sum is σ = 3953804400. Its totient is φ = 878622080.

The previous prime is 2002004443. The next prime is 2002004447. The reversal of 2002004444 is 4444002002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002004443) by changing a digit.

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, 783209 + ... + 785760.

It is an arithmetic number, because the mean of its divisors is an integer number (164741850).

Almost surely, 2^2002004444 is an apocalyptic number.

It is an amenable number.

2002004444 is a deficient number, since it is larger than the sum of its proper divisors (1951799956).

2002004444 is a wasteful number, since it uses less digits than its factorization.

2002004444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569013 (or 1569011 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 2002004444 is about 44743.7643029730. The cubic root of 2002004444 is about 1260.3418162239.

Adding to 2002004444 its reverse (4444002002), we get a palindrome (6446006446).

The spelling of 2002004444 in words is "two billion, two million, four thousand, four hundred forty-four".