444342220003 has 4 divisors (see below), whose sum is σ = 484736967288. Its totient is φ = 403947472720.

The previous prime is 444342220001. The next prime is 444342220019. The reversal of 444342220003 is 300022243444.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 444342220003 - 2¹ = 444342220001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (444342220001) 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, 20197373626 + ... + 20197373647.

It is an arithmetic number, because the mean of its divisors is an integer number (121184241822).

Almost surely, 2^444342220003 is an apocalyptic number.

444342220003 is a deficient number, since it is larger than the sum of its proper divisors (40394747285).

444342220003 is a wasteful number, since it uses less digits than its factorization.

444342220003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40394747284.

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 444342220003 its reverse (300022243444), we get a palindrome (744364463447).

The spelling of 444342220003 in words is "four hundred forty-four billion, three hundred forty-two million, two hundred twenty thousand, three".