2144320044 has 24 divisors (see below), whose sum is σ = 5119773120. Its totient is φ = 698150544.

The previous prime is 2144320039. The next prime is 2144320051. The reversal of 2144320044 is 4400234412.

It is a happy number.

It is a super-2 number, since 2×2144320044² = 9196216902200323872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2144319996 and 2144320023.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2077314 + ... + 2078345.

It is an arithmetic number, because the mean of its divisors is an integer number (213323880).

Almost surely, 2^2144320044 is an apocalyptic number.

It is an amenable number.

2144320044 is an abundant number, since it is smaller than the sum of its proper divisors (2975453076).

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

2144320044 is a wasteful number, since it uses less digits than its factorization.

2144320044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4155709 (or 4155707 counting only the distinct ones).

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

The square root of 2144320044 is about 46306.8034310294. The cubic root of 2144320044 is about 1289.5253033778.

Adding to 2144320044 its reverse (4400234412), we get a palindrome (6544554456).

The spelling of 2144320044 in words is "two billion, one hundred forty-four million, three hundred twenty thousand, forty-four".