255635753568 has 96 divisors (see below), whose sum is σ = 723328849152. Its totient is φ = 78584640000.

The previous prime is 255635753567. The next prime is 255635753657. The reversal of 255635753568 is 865357536552.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255635753567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1267693 + ... + 1455443.

It is an arithmetic number, because the mean of its divisors is an integer number (7534675512).

Almost surely, 2^255635753568 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 255635753568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (361664424576).

255635753568 is an abundant number, since it is smaller than the sum of its proper divisors (467693095584).

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

255635753568 is a wasteful number, since it uses less digits than its factorization.

255635753568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188868 (or 188860 counting only the distinct ones).

The product of its digits is 113400000, while the sum is 60.

The spelling of 255635753568 in words is "two hundred fifty-five billion, six hundred thirty-five million, seven hundred fifty-three thousand, five hundred sixty-eight".