444004000000 has 252 divisors, whose sum is σ = 1208659216464. Its totient is φ = 161440000000.

The previous prime is 444003999977. The next prime is 444004000019. The reversal of 444004000000 is 400444.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 43994955 + ... + 44005045.

It is an arithmetic number, because the mean of its divisors is an integer number (4796266732).

Almost surely, 2^444004000000 is an apocalyptic number.

444004000000 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 444004000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604329608232).

444004000000 is an abundant number, since it is smaller than the sum of its proper divisors (764655216464).

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

444004000000 is an frugal number, since it uses more digits than its factorization.

444004000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10148 (or 10109 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 444004000000 its reverse (400444), we get a palindrome (444004400444).

The spelling of 444004000000 in words is "four hundred forty-four billion, four million", and thus it is an aban number.