2102444444 has 12 divisors (see below), whose sum is σ = 3839246544. Its totient is φ = 1005516864.

The previous prime is 2102444441. The next prime is 2102444471. The reversal of 2102444444 is 4444442012.

2102444444 is a modest number, since divided by 44444 gives 21024 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102444441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11426237 + ... + 11426420.

It is an arithmetic number, because the mean of its divisors is an integer number (319937212).

Almost surely, 2^2102444444 is an apocalyptic number.

It is an amenable number.

2102444444 is a deficient number, since it is larger than the sum of its proper divisors (1736802100).

2102444444 is a wasteful number, since it uses less digits than its factorization.

2102444444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22852684 (or 22852682 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 29.

The square root of 2102444444 is about 45852.4202632751. The cubic root of 2102444444 is about 1281.0758459814.

Adding to 2102444444 its reverse (4444442012), we get a palindrome (6546886456).

The spelling of 2102444444 in words is "two billion, one hundred two million, four hundred forty-four thousand, four hundred forty-four".