It is a happy number.
44444455555557 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is the 6666668-th Hogben number.
It is a Duffinian number.
It is a plaindrome in base 10.
It is a congruent number.
Almost surely, 244444455555557 is an apocalyptic number.
It is an amenable number.
44444455555557 is a wasteful number, since it uses less digits than its factorization.
44444455555557 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 224938283.
The spelling of 44444455555557 in words is "forty-four trillion, four hundred forty-four billion, four hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-seven".