It is a happy number.
40444400400023 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a congruent number.
Almost surely, 240444400400023 is an apocalyptic number.
40444400400023 is an equidigital number, since it uses as much as digits as its factorization.
40444400400023 is an odious number, because the sum of its binary digits is odd.
Adding to 40444400400023 its reverse (32000400444404), we get a palindrome (72444800844427).
The spelling of 40444400400023 in words is "forty trillion, four hundred forty-four billion, four hundred million, four hundred thousand, twenty-three".