444232218329 has 8 divisors (see below), whose sum is σ = 458877933312. Its totient is φ = 429606231120.

The previous prime is 444232218317. The next prime is 444232218359. The reversal of 444232218329 is 923812232444.

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

It is a de Polignac number, because none of the positive numbers 2^k-444232218329 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 444232218329.

It is not an unprimeable number, because it can be changed into a prime (444232218359) 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, 4886159 + ... + 4976244.

It is an arithmetic number, because the mean of its divisors is an integer number (57359741664).

Almost surely, 2^444232218329 is an apocalyptic number.

It is an amenable number.

444232218329 is a deficient number, since it is larger than the sum of its proper divisors (14645714983).

444232218329 is a wasteful number, since it uses less digits than its factorization.

444232218329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863887.

The product of its digits is 663552, while the sum is 44.

The spelling of 444232218329 in words is "four hundred forty-four billion, two hundred thirty-two million, two hundred eighteen thousand, three hundred twenty-nine".