255542642206 has 8 divisors (see below), whose sum is σ = 383571744480. Its totient is φ = 127685394048.

The previous prime is 255542642183. The next prime is 255542642207. The reversal of 255542642206 is 602246245552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255542642207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42959811 + ... + 42965758.

It is an arithmetic number, because the mean of its divisors is an integer number (47946468060).

Almost surely, 2^255542642206 is an apocalyptic number.

255542642206 is a deficient number, since it is larger than the sum of its proper divisors (128029102274).

255542642206 is a wasteful number, since it uses less digits than its factorization.

255542642206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85927058.

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 255542642206 its reverse (602246245552), we get a palindrome (857788887758).

The spelling of 255542642206 in words is "two hundred fifty-five billion, five hundred forty-two million, six hundred forty-two thousand, two hundred six".