2040443444 has 24 divisors (see below), whose sum is σ = 3861978120. Its totient is φ = 937695744.

The previous prime is 2040443443. The next prime is 2040443501. The reversal of 2040443444 is 4443440402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9859600 + 2030583844 = 3140^2 + 45062^2 .

It is a super-2 number, since 2×2040443444² = 8326818896325162272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2040443441) 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, 72089 + ... + 96320.

It is an arithmetic number, because the mean of its divisors is an integer number (160915755).

Almost surely, 2^2040443444 is an apocalyptic number.

It is an amenable number.

2040443444 is a deficient number, since it is larger than the sum of its proper divisors (1821534676).

2040443444 is a wasteful number, since it uses less digits than its factorization.

2040443444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168659 (or 168657 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 2040443444 is about 45171.2679033919. The cubic root of 2040443444 is about 1268.3570305903.

Adding to 2040443444 its reverse (4443440402), we get a palindrome (6483883846).

The spelling of 2040443444 in words is "two billion, forty million, four hundred forty-three thousand, four hundred forty-four".