444623202260121 has 16 divisors (see below), whose sum is σ = 618632339060736. Its totient is φ = 283515856175376.

The previous prime is 444623202260113. The next prime is 444623202260143. The reversal of 444623202260121 is 121062202326444.

It is not a de Polignac number, because 444623202260121 - 2³ = 444623202260113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 444623202260121.

It is not an unprimeable number, because it can be changed into a prime (444623202260821) 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, 134525275 + ... + 137790768.

It is an arithmetic number, because the mean of its divisors is an integer number (38664521191296).

Almost surely, 2^{444623202260121} is an apocalyptic number.

It is an amenable number.

444623202260121 is a deficient number, since it is larger than the sum of its proper divisors (174009136800615).

444623202260121 is a wasteful number, since it uses less digits than its factorization.

444623202260121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272339732.

The product of its (nonzero) digits is 221184, while the sum is 39.

Adding to 444623202260121 its reverse (121062202326444), we get a palindrome (565685404586565).

The spelling of 444623202260121 in words is "four hundred forty-four trillion, six hundred twenty-three billion, two hundred two million, two hundred sixty thousand, one hundred twenty-one".