2044004004 has 96 divisors (see below), whose sum is σ = 6102835200. Its totient is φ = 579515040.

The previous prime is 2044003961. The next prime is 2044004047. The reversal of 2044004004 is 4004004402.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2044003961) and next prime (2044004047).

It is a Harshad number since it is a multiple of its sum of digits (18).

2044004004 is a modest number, since divided by 4004 gives 2044 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88717 + ... + 109355.

It is an arithmetic number, because the mean of its divisors is an integer number (63571200).

Almost surely, 2^2044004004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044004004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3051417600).

2044004004 is an abundant number, since it is smaller than the sum of its proper divisors (4058831196).

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

2044004004 is a wasteful number, since it uses less digits than its factorization.

2044004004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20790 (or 20782 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 2044004004 is about 45210.6625034405. The cubic root of 2044004004 is about 1269.0943600229.

Adding to 2044004004 its reverse (4004004402), we get a palindrome (6048008406).

The spelling of 2044004004 in words is "two billion, forty-four million, four thousand, four", and thus it is an eban number.