2002444004 has 36 divisors (see below), whose sum is σ = 3863232912. Its totient is φ = 907502640.

The previous prime is 2002444001. The next prime is 2002444007. The reversal of 2002444004 is 4004442002.

It is an interprime number because it is at equal distance from previous prime (2002444001) and next prime (2002444007).

It is not an unprimeable number, because it can be changed into a prime (2002444001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 161987 + ... + 173909.

Almost surely, 2^2002444004 is an apocalyptic number.

It is an amenable number.

2002444004 is a deficient number, since it is larger than the sum of its proper divisors (1860788908).

2002444004 is a wasteful number, since it uses less digits than its factorization.

2002444004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12296 (or 12283 counting only the distinct ones).

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

The square root of 2002444004 is about 44748.6760027601. The cubic root of 2002444004 is about 1260.4340496703.

Adding to 2002444004 its reverse (4004442002), we get a palindrome (6006886006).

The spelling of 2002444004 in words is "two billion, two million, four hundred forty-four thousand, four".