44221144444423 has 4 divisors (see below), whose sum is σ = 44259167785608. Its totient is φ = 44183121103240.

The previous prime is 44221144444361. The next prime is 44221144444459. The reversal of 44221144444423 is 32444444112244.

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

It is a cyclic number.

It is not a de Polignac number, because 44221144444423 - 2⁴¹ = 42022121188871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44221144444423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44221144444223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19011668848 + ... + 19011671173.

It is an arithmetic number, because the mean of its divisors is an integer number (11064791946402).

Almost surely, 2^{44221144444423} is an apocalyptic number.

44221144444423 is a deficient number, since it is larger than the sum of its proper divisors (38023341185).

44221144444423 is a wasteful number, since it uses less digits than its factorization.

44221144444423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38023341184.

The product of its digits is 1572864, while the sum is 43.

Adding to 44221144444423 its reverse (32444444112244), we get a palindrome (76665588556667).

The spelling of 44221144444423 in words is "forty-four trillion, two hundred twenty-one billion, one hundred forty-four million, four hundred forty-four thousand, four hundred twenty-three".