It is a weak prime.
It is a cyclic number.
It is a self number, because there is not a number n which added to its sum of digits gives 240054524336021.
It is a congruent number.
Almost surely, 2240054524336021 is an apocalyptic number.
It is an amenable number.
240054524336021 is an equidigital number, since it uses as much as digits as its factorization.
240054524336021 is an odious number, because the sum of its binary digits is odd.
Adding to 240054524336021 its reverse (120633425450042), we get a palindrome (360687949786063).
The spelling of 240054524336021 in words is "two hundred forty trillion, fifty-four billion, five hundred twenty-four million, three hundred thirty-six thousand, twenty-one".