255055243040000 has 720 divisors, whose sum is σ = 737962680100800. Its totient is φ = 87142293504000.

The previous prime is 255055243039997. The next prime is 255055243040027. The reversal of 255055243040000 is 40342550552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1699284956 + ... + 1699435044.

Almost surely, 2^{255055243040000} is an apocalyptic number.

255055243040000 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 practical number, because each smaller number is the sum of distinct divisors of 255055243040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368981340050400).

255055243040000 is an abundant number, since it is smaller than the sum of its proper divisors (482907437060800).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255055243040000 is a wasteful number, since it uses less digits than its factorization.

255055243040000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150200 (or 150171 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 35.

Adding to 255055243040000 its reverse (40342550552), we get a palindrome (255095585590552).

The spelling of 255055243040000 in words is "two hundred fifty-five trillion, fifty-five billion, two hundred forty-three million, forty thousand".