444121121444 is nontrivially palindromic in base 10.
It is a nude number because it is divisible by every one of its digits.
It is a self number, because there is not a number n which added to its sum of digits gives 444121121444.
Almost surely, 2444121121444 is an apocalyptic number.
444121121444 is a gapful number since it is divisible by the number (44) 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 444121121444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536241521088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
444121121444 is a wasteful number, since it uses less digits than its factorization.
444121121444 is an evil number, because the sum of its binary digits is even.
The spelling of 444121121444 in words is "four hundred forty-four billion, one hundred twenty-one million, one hundred twenty-one thousand, four hundred forty-four".