255322173852 has 18 divisors (see below), whose sum is σ = 645397717328. Its totient is φ = 85107391272.

The previous prime is 255322173763. The next prime is 255322173889. The reversal of 255322173852 is 258371223552.

255322173852 is a `hidden beast` number, since 2 + 5 + 53 + 2 + 217 + 385 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 255322173798 and 255322173807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3546141268 + ... + 3546141339.

Almost surely, 2^255322173852 is an apocalyptic number.

It is an amenable number.

255322173852 is an abundant number, since it is smaller than the sum of its proper divisors (390075543476).

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

255322173852 is a wasteful number, since it uses less digits than its factorization.

255322173852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7092282617 (or 7092282612 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 255322173852 in words is "two hundred fifty-five billion, three hundred twenty-two million, one hundred seventy-three thousand, eight hundred fifty-two".