2321000444 has 18 divisors (see below), whose sum is σ = 4724894160. Its totient is φ = 994714392.

The previous prime is 2321000443. The next prime is 2321000453. The reversal of 2321000444 is 4440001232.

It is a super-2 number, since 2×2321000444² = 10774086122096394272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321000441) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5920724 + ... + 5921115.

It is an arithmetic number, because the mean of its divisors is an integer number (262494120).

Almost surely, 2^2321000444 is an apocalyptic number.

It is an amenable number.

2321000444 is an abundant number, since it is smaller than the sum of its proper divisors (2403893716).

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

2321000444 is a wasteful number, since it uses less digits than its factorization.

2321000444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11841857 (or 11841848 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2321000444 is about 48176.7624898145. The cubic root of 2321000444 is about 1324.0114509039.

Adding to 2321000444 its reverse (4440001232), we get a palindrome (6761001676).

The spelling of 2321000444 in words is "two billion, three hundred twenty-one million, four hundred forty-four", and thus it is an aban number.