444444444403 has 8 divisors (see below), whose sum is σ = 451027645200. Its totient is φ = 437906802528.

The previous prime is 444444444401. The next prime is 444444444443. The reversal of 444444444403 is 304444444444.

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 444444444403 - 2¹ = 444444444401 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 444444444403.

It is not an unprimeable number, because it can be changed into a prime (444444444401) 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 7 ways as a sum of consecutive naturals, for example, 11370076 + ... + 11409097.

It is an arithmetic number, because the mean of its divisors is an integer number (56378455650).

Almost surely, 2^444444444403 is an apocalyptic number.

444444444403 is a deficient number, since it is larger than the sum of its proper divisors (6583200797).

444444444403 is a wasteful number, since it uses less digits than its factorization.

444444444403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22779461.

The product of its (nonzero) digits is 3145728, while the sum is 43.

Adding to 444444444403 its reverse (304444444444), we get a palindrome (748888888847).

The spelling of 444444444403 in words is "four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred three".