44413331321 has 8 divisors (see below), whose sum is σ = 44549232000. Its totient is φ = 44277480720.

The previous prime is 44413331311. The next prime is 44413331357. The reversal of 44413331321 is 12313331444.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 44413331321 - 2³⁰ = 43339589497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44413331311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2549840 + ... + 2567198.

It is an arithmetic number, because the mean of its divisors is an integer number (5568654000).

Almost surely, 2^44413331321 is an apocalyptic number.

It is an amenable number.

44413331321 is a deficient number, since it is larger than the sum of its proper divisors (135900679).

44413331321 is a wasteful number, since it uses less digits than its factorization.

44413331321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25039.

The product of its digits is 10368, while the sum is 29.

Adding to 44413331321 its reverse (12313331444), we get a palindrome (56726662765).

The spelling of 44413331321 in words is "forty-four billion, four hundred thirteen million, three hundred thirty-one thousand, three hundred twenty-one".