4444344321 has 16 divisors (see below), whose sum is σ = 6240368640. Its totient is φ = 2805742800.

The previous prime is 4444344277. The next prime is 4444344343. The reversal of 4444344321 is 1234434444.

It is not a de Polignac number, because 4444344321 - 2⁹ = 4444343809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4444346321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127096 + ... + 158246.

It is an arithmetic number, because the mean of its divisors is an integer number (390023040).

Almost surely, 2^4444344321 is an apocalyptic number.

It is an amenable number.

4444344321 is a deficient number, since it is larger than the sum of its proper divisors (1796024319).

4444344321 is a wasteful number, since it uses less digits than its factorization.

4444344321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33676.

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

The square root of 4444344321 is about 66665.9157366041. The cubic root of 4444344321 is about 1644.1290365119.

Adding to 4444344321 its reverse (1234434444), we get a palindrome (5678778765).

The spelling of 4444344321 in words is "four billion, four hundred forty-four million, three hundred forty-four thousand, three hundred twenty-one".