255920868342 has 48 divisors (see below), whose sum is σ = 606051718272. Its totient is φ = 77698932480.

The previous prime is 255920868323. The next prime is 255920868349. The reversal of 255920868342 is 243868029552.

255920868342 is a `hidden beast` number, since 2 + 5 + 592 + 0 + 8 + 6 + 8 + 3 + 42 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255920868349) 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, 13479913 + ... + 13498884.

It is an arithmetic number, because the mean of its divisors is an integer number (12626077464).

Almost surely, 2^255920868342 is an apocalyptic number.

255920868342 is an abundant number, since it is smaller than the sum of its proper divisors (350130849930).

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

255920868342 is a wasteful number, since it uses less digits than its factorization.

255920868342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26978853 (or 26978850 counting only the distinct ones).

The product of its (nonzero) digits is 8294400, while the sum is 54.

The spelling of 255920868342 in words is "two hundred fifty-five billion, nine hundred twenty million, eight hundred sixty-eight thousand, three hundred forty-two".