444444800444 has 24 divisors (see below), whose sum is σ = 797353048800. Its totient is φ = 216637867520.

The previous prime is 444444800441. The next prime is 444444800477. The reversal of 444444800444 is 444008444444.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 444444800395 and 444444800404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444444800441) 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, 810989 + ... + 1243620.

It is an arithmetic number, because the mean of its divisors is an integer number (33223043700).

Almost surely, 2^444444800444 is an apocalyptic number.

It is an amenable number.

444444800444 is a deficient number, since it is larger than the sum of its proper divisors (352908248356).

444444800444 is a wasteful number, since it uses less digits than its factorization.

444444800444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055973 (or 2055971 counting only the distinct ones).

The product of its (nonzero) digits is 2097152, while the sum is 44.

The spelling of 444444800444 in words is "four hundred forty-four billion, four hundred forty-four million, eight hundred thousand, four hundred forty-four".