2120440444 has 24 divisors (see below), whose sum is σ = 3860211600. Its totient is φ = 1017932160.

The previous prime is 2120440411. The next prime is 2120440453. The reversal of 2120440444 is 4440440212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30297 + ... + 71824.

It is an arithmetic number, because the mean of its divisors is an integer number (160842150).

Almost surely, 2^2120440444 is an apocalyptic number.

It is an amenable number.

2120440444 is a deficient number, since it is larger than the sum of its proper divisors (1739771156).

2120440444 is a wasteful number, since it uses less digits than its factorization.

2120440444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102333 (or 102331 counting only the distinct ones).

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

The square root of 2120440444 is about 46048.2404006928. The cubic root of 2120440444 is about 1284.7206151224.

Adding to 2120440444 its reverse (4440440212), we get a palindrome (6560880656).

The spelling of 2120440444 in words is "two billion, one hundred twenty million, four hundred forty thousand, four hundred forty-four".