444672671272217 has 8 divisors (see below), whose sum is σ = 448076544732960. Its totient is φ = 441268940623680.

The previous prime is 444672671272187. The next prime is 444672671272283. The reversal of 444672671272217 is 712272176276444.

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 444672671272217 - 2⁴⁰ = 443573159644441 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 444672671272217.

It is not an unprimeable number, because it can be changed into a prime (444672671278217) 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, 29447663 + ... + 41910740.

It is an arithmetic number, because the mean of its divisors is an integer number (56009568091620).

Almost surely, 2^{444672671272217} is an apocalyptic number.

It is an amenable number.

444672671272217 is a deficient number, since it is larger than the sum of its proper divisors (3403873460743).

444672671272217 is a wasteful number, since it uses less digits than its factorization.

444672671272217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71406103.

The product of its digits is 88510464, while the sum is 62.

The spelling of 444672671272217 in words is "four hundred forty-four trillion, six hundred seventy-two billion, six hundred seventy-one million, two hundred seventy-two thousand, two hundred seventeen".