255641550312 has 32 divisors (see below), whose sum is σ = 639116549280. Its totient is φ = 85212160320.

The previous prime is 255641550239. The next prime is 255641550343. The reversal of 255641550312 is 213055146552.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1932862 + ... + 2060882.

It is an arithmetic number, because the mean of its divisors is an integer number (19972392165).

Almost surely, 2^255641550312 is an apocalyptic number.

It is an amenable number.

255641550312 is an abundant number, since it is smaller than the sum of its proper divisors (383474998968).

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

255641550312 is a wasteful number, since it uses less digits than its factorization.

255641550312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211233 (or 211229 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 39.

Adding to 255641550312 its reverse (213055146552), we get a palindrome (468696696864).

The spelling of 255641550312 in words is "two hundred fifty-five billion, six hundred forty-one million, five hundred fifty thousand, three hundred twelve".