2321440031444 has 6 divisors (see below), whose sum is σ = 4062520055034. Its totient is φ = 1160720015720.

The previous prime is 2321440031437. The next prime is 2321440031479. The reversal of 2321440031444 is 4441300441232.

It can be written as a sum of positive squares in only one way, i.e., 1457785782544 + 863654248900 = 1207388^2 + 929330^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2321440031444.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290180003927 + ... + 290180003934.

It is an arithmetic number, because the mean of its divisors is an integer number (677086675839).

Almost surely, 2^{2321440031444} is an apocalyptic number.

It is an amenable number.

2321440031444 is a deficient number, since it is larger than the sum of its proper divisors (1741080023590).

2321440031444 is a wasteful number, since it uses less digits than its factorization.

2321440031444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580360007865 (or 580360007863 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 2321440031444 its reverse (4441300441232), we get a palindrome (6762740472676).

The spelling of 2321440031444 in words is "two trillion, three hundred twenty-one billion, four hundred forty million, thirty-one thousand, four hundred forty-four".