444110320220321 has 4 divisors (see below), whose sum is σ = 452489760224532. Its totient is φ = 435730880216112.

The previous prime is 444110320220293. The next prime is 444110320220327. The reversal of 444110320220321 is 123022023011444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 373011089115025 + 71099231105296 = 19313495^2 + 8432036^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-444110320220321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444110320220327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4189720002026 + ... + 4189720002131.

It is an arithmetic number, because the mean of its divisors is an integer number (113122440056133).

Almost surely, 2^{444110320220321} is an apocalyptic number.

It is an amenable number.

444110320220321 is a deficient number, since it is larger than the sum of its proper divisors (8379440004211).

444110320220321 is an equidigital number, since it uses as much as digits as its factorization.

444110320220321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8379440004210.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 444110320220321 its reverse (123022023011444), we get a palindrome (567132343231765).

The spelling of 444110320220321 in words is "four hundred forty-four trillion, one hundred ten billion, three hundred twenty million, two hundred twenty thousand, three hundred twenty-one".