2102340444 has 36 divisors (see below), whose sum is σ = 5041663704. Its totient is φ = 681834816.

The previous prime is 2102340437. The next prime is 2102340469. The reversal of 2102340444 is 4440432012.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 47559 + ... + 80414.

It is an arithmetic number, because the mean of its divisors is an integer number (140046214).

Almost surely, 2^2102340444 is an apocalyptic number.

It is an amenable number.

2102340444 is an abundant number, since it is smaller than the sum of its proper divisors (2939323260).

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

2102340444 is a wasteful number, since it uses less digits than its factorization.

2102340444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128054 (or 128015 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 2102340444 is about 45851.2861760714. The cubic root of 2102340444 is about 1281.0547223023.

Adding to 2102340444 its reverse (4440432012), we get a palindrome (6542772456).

The spelling of 2102340444 in words is "two billion, one hundred two million, three hundred forty thousand, four hundred forty-four".