44444331321 has 48 divisors (see below), whose sum is σ = 68000808960. Its totient is φ = 25762813440.

The previous prime is 44444331319. The next prime is 44444331329. The reversal of 44444331321 is 12313344444.

44444331321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 44444331321 - 2¹ = 44444331319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (44444331329) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565960 + ... + 639686.

It is an arithmetic number, because the mean of its divisors is an integer number (1416683520).

Almost surely, 2^44444331321 is an apocalyptic number.

44444331321 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

44444331321 is a deficient number, since it is larger than the sum of its proper divisors (23556477639).

44444331321 is a wasteful number, since it uses less digits than its factorization.

44444331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73826 (or 73813 counting only the distinct ones).

The product of its digits is 55296, while the sum is 33.

Adding to 44444331321 its reverse (12313344444), we get a palindrome (56757675765).

The spelling of 44444331321 in words is "forty-four billion, four hundred forty-four million, three hundred thirty-one thousand, three hundred twenty-one".