It is a self number, because there is not a number n which added to its sum of digits gives 240054524336820.
It is a congruent number.
Almost surely, 2240054524336820 is an apocalyptic number.
240054524336820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
240054524336820 is a wasteful number, since it uses less digits than its factorization.
240054524336820 is an evil number, because the sum of its binary digits is even.
Adding to 240054524336820 its reverse (28633425450042), we get a palindrome (268687949786862).
The spelling of 240054524336820 in words is "two hundred forty trillion, fifty-four billion, five hundred twenty-four million, three hundred thirty-six thousand, eight hundred twenty".