444444444444443 has 8 divisors (see below), whose sum is σ = 467911363592400. Its totient is φ = 420985035924768.

The previous prime is 444444444444421. The next prime is 444444444444461. The reversal of 444444444444443 is 344444444444444.

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 444444444444443 - 2⁶ = 444444444444379 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (444444444444643) 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, 1877535596 + ... + 1877772297.

It is an arithmetic number, because the mean of its divisors is an integer number (58488920449050).

Almost surely, 2^{444444444444443} is an apocalyptic number.

444444444444443 is a deficient number, since it is larger than the sum of its proper divisors (23466919147957).

444444444444443 is a wasteful number, since it uses less digits than its factorization.

444444444444443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755314141.

The product of its digits is 805306368, while the sum is 59.

Adding to 444444444444443 its reverse (344444444444444), we get a palindrome (788888888888887).

Subtracting from 444444444444443 its reverse (344444444444444), we obtain a palindrome (99999999999999).

The spelling of 444444444444443 in words is "four hundred forty-four trillion, four hundred forty-four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred forty-three".