444263320343255 has 8 divisors (see below), whose sum is σ = 609275410756512. Its totient is φ = 304637705378208.

The previous prime is 444263320343191. The next prime is 444263320343257. The reversal of 444263320343255 is 552343023362444.

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 444263320343255 - 2⁶ = 444263320343191 is a prime.

It is a super-2 number, since 2×444263320343255² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444263320343257) 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, 6346618862012 + ... + 6346618862081.

It is an arithmetic number, because the mean of its divisors is an integer number (76159426344564).

Almost surely, 2^{444263320343255} is an apocalyptic number.

444263320343255 is a deficient number, since it is larger than the sum of its proper divisors (165012090413257).

444263320343255 is a wasteful number, since it uses less digits than its factorization.

444263320343255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12693237724105.

The product of its (nonzero) digits is 24883200, while the sum is 50.

The spelling of 444263320343255 in words is "four hundred forty-four trillion, two hundred sixty-three billion, three hundred twenty million, three hundred forty-three thousand, two hundred fifty-five".