255665103454200 has 384 divisors, whose sum is σ = 919470266208000. Its totient is φ = 58078833254400.

The previous prime is 255665103454181. The next prime is 255665103454223. The reversal of 255665103454200 is 2454301566552.

It is a self number, because there is not a number n which added to its sum of digits gives 255665103454200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 20718571 + ... + 30669029.

It is an arithmetic number, because the mean of its divisors is an integer number (2394453818250).

Almost surely, 2^{255665103454200} is an apocalyptic number.

255665103454200 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 255665103454200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459735133104000).

255665103454200 is an abundant number, since it is smaller than the sum of its proper divisors (663805162753800).

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

255665103454200 is a wasteful number, since it uses less digits than its factorization.

255665103454200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9950735 (or 9950726 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 48.

The spelling of 255665103454200 in words is "two hundred fifty-five trillion, six hundred sixty-five billion, one hundred three million, four hundred fifty-four thousand, two hundred".