255828538368 has 264 divisors, whose sum is σ = 814941011976. Its totient is φ = 76795084800.

The previous prime is 255828538363. The next prime is 255828538393. The reversal of 255828538368 is 863835828552.

255828538368 is a `hidden beast` number, since 2 + 558 + 28 + 53 + 8 + 3 + 6 + 8 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 26073206784 + 229755331584 = 161472^2 + 479328^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255828538363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4886088 + ... + 4938168.

Almost surely, 2^255828538368 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 255828538368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407470505988).

255828538368 is an abundant number, since it is smaller than the sum of its proper divisors (559112473608).

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

255828538368 is a wasteful number, since it uses less digits than its factorization.

255828538368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52161 (or 52140 counting only the distinct ones).

The product of its digits is 110592000, while the sum is 63.

The spelling of 255828538368 in words is "two hundred fifty-five billion, eight hundred twenty-eight million, five hundred thirty-eight thousand, three hundred sixty-eight".