2102444544 has 160 divisors (see below), whose sum is σ = 5997562560. Its totient is φ = 652492800.

The previous prime is 2102444503. The next prime is 2102444557. The reversal of 2102444544 is 4454442012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1779634 + ... + 1780814.

It is an arithmetic number, because the mean of its divisors is an integer number (37484766).

Almost surely, 2^2102444544 is an apocalyptic number.

2102444544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102444544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998781280).

2102444544 is an abundant number, since it is smaller than the sum of its proper divisors (3895118016).

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

2102444544 is a wasteful number, since it uses less digits than its factorization.

2102444544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1266 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 2102444544 is about 45852.4213537301. The cubic root of 2102444544 is about 1281.0758662923.

Adding to 2102444544 its reverse (4454442012), we get a palindrome (6556886556).

The spelling of 2102444544 in words is "two billion, one hundred two million, four hundred forty-four thousand, five hundred forty-four".