444021433111 has 8 divisors (see below), whose sum is σ = 444520481760. Its totient is φ = 443522477568.

The previous prime is 444021433103. The next prime is 444021433181. The reversal of 444021433111 is 111334120444.

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 444021433111 - 2³ = 444021433103 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 444021433111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444021433181) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14382630 + ... + 14413468.

It is an arithmetic number, because the mean of its divisors is an integer number (55565060220).

Almost surely, 2^444021433111 is an apocalyptic number.

444021433111 is a deficient number, since it is larger than the sum of its proper divisors (499048649).

444021433111 is a wasteful number, since it uses less digits than its factorization.

444021433111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46553.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 444021433111 its reverse (111334120444), we get a palindrome (555355553555).

The spelling of 444021433111 in words is "four hundred forty-four billion, twenty-one million, four hundred thirty-three thousand, one hundred eleven".