2144430444 has 24 divisors (see below), whose sum is σ = 5388569200. Its totient is φ = 659824704.

The previous prime is 2144430437. The next prime is 2144430469. The reversal of 2144430444 is 4440344412.

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, 6873019 + ... + 6873330.

Almost surely, 2^2144430444 is an apocalyptic number.

It is an amenable number.

2144430444 is an abundant number, since it is smaller than the sum of its proper divisors (3244138756).

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

2144430444 is a wasteful number, since it uses less digits than its factorization.

2144430444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13746369 (or 13746367 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 2144430444 is about 46307.9954651462. The cubic root of 2144430444 is about 1289.5474333378.

Adding to 2144430444 its reverse (4440344412), we get a palindrome (6584774856).

The spelling of 2144430444 in words is "two billion, one hundred forty-four million, four hundred thirty thousand, four hundred forty-four".