4446188816444 has 24 divisors (see below), whose sum is σ = 7946936417280. Its totient is φ = 2175642178416.

The previous prime is 4446188816441. The next prime is 4446188816453.

It is a happy number.

4446188816444 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4446188816441) 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, 1887737 + ... + 3529295.

It is an arithmetic number, because the mean of its divisors is an integer number (331122350720).

Almost surely, 2^{4446188816444} is an apocalyptic number.

It is an amenable number.

4446188816444 is a deficient number, since it is larger than the sum of its proper divisors (3500747600836).

4446188816444 is a wasteful number, since it uses less digits than its factorization.

4446188816444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1656017 (or 1656015 counting only the distinct ones).

The product of its digits is 75497472, while the sum is 62.

The spelling of 4446188816444 in words is "four trillion, four hundred forty-six billion, one hundred eighty-eight million, eight hundred sixteen thousand, four hundred forty-four".