2144442344 has 48 divisors (see below), whose sum is σ = 4447030560. Its totient is φ = 968695200.

The previous prime is 2144442197. The next prime is 2144442383. The reversal of 2144442344 is 4432444412.

It is a self number, because there is not a number n which added to its sum of digits gives 2144442344.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 150989 + ... + 164579.

It is an arithmetic number, because the mean of its divisors is an integer number (92646470).

Almost surely, 2^2144442344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2144442344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2223515280).

2144442344 is an abundant number, since it is smaller than the sum of its proper divisors (2302588216).

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

2144442344 is a wasteful number, since it uses less digits than its factorization.

2144442344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13782 (or 13767 counting only the distinct ones).

The product of its digits is 49152, while the sum is 32.

The square root of 2144442344 is about 46308.1239524989. The cubic root of 2144442344 is about 1289.5498186777.

Adding to 2144442344 its reverse (4432444412), we get a palindrome (6576886756).

The spelling of 2144442344 in words is "two billion, one hundred forty-four million, four hundred forty-two thousand, three hundred forty-four".