444234431304021 has 16 divisors (see below), whose sum is σ = 612175204293120. Its totient is φ = 286248590799360.

The previous prime is 444234431303987. The next prime is 444234431304031. The reversal of 444234431304021 is 120403134432444.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-444234431304021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444234431304031) 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 15 ways as a sum of consecutive naturals, for example, 2952158580 + ... + 2952309053.

It is an arithmetic number, because the mean of its divisors is an integer number (38260950268320).

Almost surely, 2^{444234431304021} is an apocalyptic number.

It is an amenable number.

444234431304021 is a deficient number, since it is larger than the sum of its proper divisors (167940772989099).

444234431304021 is a wasteful number, since it uses less digits than its factorization.

444234431304021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5904468476.

The product of its (nonzero) digits is 442368, while the sum is 39.

Adding to 444234431304021 its reverse (120403134432444), we get a palindrome (564637565736465).

The spelling of 444234431304021 in words is "four hundred forty-four trillion, two hundred thirty-four billion, four hundred thirty-one million, three hundred four thousand, twenty-one".