444506662223223 has 16 divisors (see below), whose sum is σ = 618457857872640. Its totient is φ = 283447195948224.

The previous prime is 444506662223191. The next prime is 444506662223231. The reversal of 444506662223223 is 322322266605444.

It is a happy number.

It is not a de Polignac number, because 444506662223223 - 2⁵ = 444506662223191 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444506662223233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68792461 + ... + 74976102.

It is an arithmetic number, because the mean of its divisors is an integer number (38653616117040).

Almost surely, 2^{444506662223223} is an apocalyptic number.

444506662223223 is a deficient number, since it is larger than the sum of its proper divisors (173951195649417).

444506662223223 is a wasteful number, since it uses less digits than its factorization.

444506662223223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143813398.

The product of its (nonzero) digits is 19906560, while the sum is 51.

The spelling of 444506662223223 in words is "four hundred forty-four trillion, five hundred six billion, six hundred sixty-two million, two hundred twenty-three thousand, two hundred twenty-three".