44444444 is nontrivially palindromic in base 10.
It is a nude number because it is divisible by every one of its digits.
44444444 is a nontrivial repdigit in base 10.
It is a plaindrome in base 10.
It is a nialpdrome in base 10.
It is a zygodrome in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 44444444.
It is a congruent number.
It is an unprimeable number.
Almost surely, 244444444 is an apocalyptic number.
44444444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.
It is an amenable number.
44444444 is a wasteful number, since it uses less digits than its factorization.
44444444 is an evil number, because the sum of its binary digits is even.
The square root of 44444444 is about 6666.6666333333. Note that the first 4 decimals coincide. The cubic root of 44444444 is about 354.2195218801.
The spelling of 44444444 in words is "forty-four million, four hundred forty-four thousand, four hundred forty-four".