255843380520000 has 10080 divisors, whose sum is σ = 1330627090531200. Its totient is φ = 47593598976000.

The previous prime is 255843380519999. The next prime is 255843380520053. The reversal of 255843380520000 is 25083348552.

255843380520000 is a `hidden beast` number, since 2 + 5 + 5 + 8 + 43 + 3 + 80 + 520 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (10080).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 1439 ways as a sum of consecutive naturals, for example, 6914685959982 + ... + 6914685960018.

Almost surely, 2^{255843380520000} is an apocalyptic number.

255843380520000 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 255843380520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (665313545265600).

255843380520000 is an abundant number, since it is smaller than the sum of its proper divisors (1074783710011200).

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

255843380520000 is a wasteful number, since it uses less digits than its factorization.

255843380520000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170 (or 109 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 255843380520000 in words is "two hundred fifty-five trillion, eight hundred forty-three billion, three hundred eighty million, five hundred twenty thousand".