4440004344321 has 64 divisors (see below), whose sum is σ = 7521928888320. Its totient is φ = 2266212453120.

The previous prime is 4440004344317. The next prime is 4440004344359. The reversal of 4440004344321 is 1234434000444.

It is not a de Polignac number, because 4440004344321 - 2² = 4440004344317 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4440004344371) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121197235 + ... + 121233863.

It is an arithmetic number, because the mean of its divisors is an integer number (117530138880).

Almost surely, 2^{4440004344321} is an apocalyptic number.

It is an amenable number.

4440004344321 is a deficient number, since it is larger than the sum of its proper divisors (3081924543999).

4440004344321 is a wasteful number, since it uses less digits than its factorization.

4440004344321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51006.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4440004344321 its reverse (1234434000444), we get a palindrome (5674438344765).

The spelling of 4440004344321 in words is "four trillion, four hundred forty billion, four million, three hundred forty-four thousand, three hundred twenty-one".