2103440444 has 36 divisors (see below), whose sum is σ = 4373129376. Its totient is φ = 882290304.

The previous prime is 2103440387. The next prime is 2103440453. The reversal of 2103440444 is 4440443012.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 104957 + ... + 123380.

It is an arithmetic number, because the mean of its divisors is an integer number (121475816).

Almost surely, 2^2103440444 is an apocalyptic number.

It is an amenable number.

2103440444 is an abundant number, since it is smaller than the sum of its proper divisors (2269688932).

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

2103440444 is a wasteful number, since it uses less digits than its factorization.

2103440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228402 (or 228393 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 2103440444 is about 45863.2799088770. The cubic root of 2103440444 is about 1281.2781105583.

Adding to 2103440444 its reverse (4440443012), we get a palindrome (6543883456).

The spelling of 2103440444 in words is "two billion, one hundred three million, four hundred forty thousand, four hundred forty-four".