444448844443 has 4 divisors (see below), whose sum is σ = 444456907888. Its totient is φ = 444440781000.

The previous prime is 444448844431. The next prime is 444448844503. The reversal of 444448844443 is 344448844444.

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 444448844443 - 2²¹ = 444446747291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444448844843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3948471 + ... + 4059472.

It is an arithmetic number, because the mean of its divisors is an integer number (111114226972).

Almost surely, 2^444448844443 is an apocalyptic number.

444448844443 is a deficient number, since it is larger than the sum of its proper divisors (8063445).

444448844443 is an equidigital number, since it uses as much as digits as its factorization.

444448844443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8063444.

The product of its digits is 50331648, while the sum is 55.

Subtracting from 444448844443 its reverse (344448844444), we obtain a palindrome (99999999999).

The spelling of 444448844443 in words is "four hundred forty-four billion, four hundred forty-eight million, eight hundred forty-four thousand, four hundred forty-three".