2044402004 has 12 divisors (see below), whose sum is σ = 3613127028. Its totient is φ = 1012080000.

The previous prime is 2044401991. The next prime is 2044402013. The reversal of 2044402004 is 4002044402.

It can be written as a sum of positive squares in 2 ways, for example, as 1049630404 + 994771600 = 32398^2 + 31540^2 .

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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, 2529797 + ... + 2530604.

It is an arithmetic number, because the mean of its divisors is an integer number (301093919).

Almost surely, 2^2044402004 is an apocalyptic number.

It is an amenable number.

2044402004 is a deficient number, since it is larger than the sum of its proper divisors (1568725024).

2044402004 is a wasteful number, since it uses less digits than its factorization.

2044402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5060506 (or 5060504 counting only the distinct ones).

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

The square root of 2044402004 is about 45215.0639057383. The cubic root of 2044402004 is about 1269.1767256109.

Adding to 2044402004 its reverse (4002044402), we get a palindrome (6046446406).

The spelling of 2044402004 in words is "two billion, forty-four million, four hundred two thousand, four".