2103444252 has 72 divisors (see below), whose sum is σ = 6544058976. Its totient is φ = 554753664.

The previous prime is 2103444143. The next prime is 2103444257. The reversal of 2103444252 is 2524443012.

2103444252 is a `hidden beast` number, since 210 + 3 + 4 + 442 + 5 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103444257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 317763 + ... + 324314.

It is an arithmetic number, because the mean of its divisors is an integer number (90889708).

Almost surely, 2^2103444252 is an apocalyptic number.

It is an amenable number.

2103444252 is an abundant number, since it is smaller than the sum of its proper divisors (4440614724).

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

2103444252 is a wasteful number, since it uses less digits than its factorization.

2103444252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642107 (or 642102 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2103444252 is about 45863.3214235515. The cubic root of 2103444252 is about 1281.2788837526.

Adding to 2103444252 its reverse (2524443012), we get a palindrome (4627887264).

The spelling of 2103444252 in words is "two billion, one hundred three million, four hundred forty-four thousand, two hundred fifty-two".