2102404444 has 24 divisors (see below), whose sum is σ = 4206167168. Its totient is φ = 900739440.

The previous prime is 2102404441. The next prime is 2102404463. The reversal of 2102404444 is 4444042012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102404441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91699 + ... + 112309.

Almost surely, 2^2102404444 is an apocalyptic number.

It is an amenable number.

2102404444 is an abundant number, since it is smaller than the sum of its proper divisors (2103762724).

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

2102404444 is a wasteful number, since it uses less digits than its factorization.

2102404444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24265 (or 24263 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 2102404444 is about 45851.9840792086. The cubic root of 2102404444 is about 1281.0677215719.

Adding to 2102404444 its reverse (4444042012), we get a palindrome (6546446456).

The spelling of 2102404444 in words is "two billion, one hundred two million, four hundred four thousand, four hundred forty-four".