444542120000 has 280 divisors, whose sum is σ = 1208811806400. Its totient is φ = 160807680000.

The previous prime is 444542119963. The next prime is 444542120027. The reversal of 444542120000 is 21245444.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 87557462 + ... + 87562538.

Almost surely, 2^444542120000 is an apocalyptic number.

444542120000 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 444542120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (604405903200).

444542120000 is an abundant number, since it is smaller than the sum of its proper divisors (764269686400).

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

444542120000 is a wasteful number, since it uses less digits than its factorization.

444542120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319 (or 5294 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

Adding to 444542120000 its reverse (21245444), we get a palindrome (444563365444).

The spelling of 444542120000 in words is "four hundred forty-four billion, five hundred forty-two million, one hundred twenty thousand".