255068723736 has 128 divisors (see below), whose sum is σ = 716973120000. Its totient is φ = 84013117056.

The previous prime is 255068723729. The next prime is 255068723771. The reversal of 255068723736 is 637327860552.

It is a happy number.

255068723736 is a `hidden beast` number, since 2 + 5 + 506 + 8 + 72 + 37 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9161565 + ... + 9189363.

It is an arithmetic number, because the mean of its divisors is an integer number (5601352500).

Almost surely, 2^255068723736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 255068723736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358486560000).

255068723736 is an abundant number, since it is smaller than the sum of its proper divisors (461904396264).

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

255068723736 is a wasteful number, since it uses less digits than its factorization.

255068723736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28318 (or 28308 counting only the distinct ones).

The product of its (nonzero) digits is 12700800, while the sum is 54.

The spelling of 255068723736 in words is "two hundred fifty-five billion, sixty-eight million, seven hundred twenty-three thousand, seven hundred thirty-six".