444443000000 has 98 divisors (see below), whose sum is σ = 1102415342028. Its totient is φ = 177776800000.

The previous prime is 444442999999. The next prime is 444443000051. The reversal of 444443000000 is 344444.

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 444443000000.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 777779 + ... + 1222221.

Almost surely, 2^444443000000 is an apocalyptic number.

444443000000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 444443000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (551207671014).

444443000000 is an abundant number, since it is smaller than the sum of its proper divisors (657972342028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444443000000 is an frugal number, since it uses more digits than its factorization.

444443000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444485 (or 444450 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 444443000000 its reverse (344444), we get a palindrome (444443344444).

The spelling of 444443000000 in words is "four hundred forty-four billion, four hundred forty-three million", and thus it is an aban number.