2044440021444 has 96 divisors (see below), whose sum is σ = 5160383303040. Its totient is φ = 627647741952.

The previous prime is 2044440021367. The next prime is 2044440021451. The reversal of 2044440021444 is 4441200444402.

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 31 ways as a sum of consecutive naturals, for example, 1180699 + ... + 2341565.

It is an arithmetic number, because the mean of its divisors is an integer number (53753992740).

Almost surely, 2^{2044440021444} 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 2044440021444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2580191651520).

2044440021444 is an abundant number, since it is smaller than the sum of its proper divisors (3115943281596).

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

2044440021444 is a wasteful number, since it uses less digits than its factorization.

2044440021444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161077 (or 1161075 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 33.

Adding to 2044440021444 its reverse (4441200444402), we get a palindrome (6485640465846).

The spelling of 2044440021444 in words is "two trillion, forty-four billion, four hundred forty million, twenty-one thousand, four hundred forty-four".