44445441223 has 16 divisors (see below), whose sum is σ = 47448175680. Its totient is φ = 41486432256.

The previous prime is 44445441211. The next prime is 44445441233. The reversal of 44445441223 is 32214454444.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-44445441223 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 (44445441203) 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 15 ways as a sum of consecutive naturals, for example, 2620990 + ... + 2637892.

It is an arithmetic number, because the mean of its divisors is an integer number (2965510980).

Almost surely, 2^44445441223 is an apocalyptic number.

44445441223 is a deficient number, since it is larger than the sum of its proper divisors (3002734457).

44445441223 is a wasteful number, since it uses less digits than its factorization.

44445441223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18186.

The product of its digits is 245760, while the sum is 37.

Adding to 44445441223 its reverse (32214454444), we get a palindrome (76659895667).

The spelling of 44445441223 in words is "forty-four billion, four hundred forty-five million, four hundred forty-one thousand, two hundred twenty-three".