2321440044 has 96 divisors (see below), whose sum is σ = 6829401600. Its totient is φ = 596175360.

The previous prime is 2321440013. The next prime is 2321440057. The reversal of 2321440044 is 4400441232.

It is a happy number.

2321440044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2321439996 and 2321440023.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68122 + ... + 96350.

It is an arithmetic number, because the mean of its divisors is an integer number (71139600).

Almost surely, 2^2321440044 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 2321440044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3414700800).

2321440044 is an abundant number, since it is smaller than the sum of its proper divisors (4507961556).

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

2321440044 is a wasteful number, since it uses less digits than its factorization.

2321440044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28343 (or 28341 counting only the distinct ones).

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

The square root of 2321440044 is about 48181.3246393247. The cubic root of 2321440044 is about 1324.0950353618.

Adding to 2321440044 its reverse (4400441232), we get a palindrome (6721881276).

The spelling of 2321440044 in words is "two billion, three hundred twenty-one million, four hundred forty thousand, forty-four".