444681880104221 has 8 divisors (see below), whose sum is σ = 449085509125344. Its totient is φ = 440278267517200.

The previous prime is 444681880104193. The next prime is 444681880104229. The reversal of 444681880104221 is 122401088186444.

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 444681880104221 - 2⁶ = 444681880104157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444681880104229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54378566 + ... + 62019288.

It is an arithmetic number, because the mean of its divisors is an integer number (56135688640668).

Almost surely, 2^{444681880104221} is an apocalyptic number.

It is an amenable number.

444681880104221 is a deficient number, since it is larger than the sum of its proper divisors (4403629021123).

444681880104221 is a wasteful number, since it uses less digits than its factorization.

444681880104221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8217051.

The product of its (nonzero) digits is 3145728, while the sum is 53.

The spelling of 444681880104221 in words is "four hundred forty-four trillion, six hundred eighty-one billion, eight hundred eighty million, one hundred four thousand, two hundred twenty-one".