255242252342 has 96 divisors (see below), whose sum is σ = 493157652480. Its totient is φ = 98778834000.

The previous prime is 255242252263. The next prime is 255242252357. The reversal of 255242252342 is 243252242552.

It is a junction number, because it is equal to n+sod(n) for n = 255242252296 and 255242252305.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 19689659 + ... + 19702617.

It is an arithmetic number, because the mean of its divisors is an integer number (5137058880).

Almost surely, 2^255242252342 is an apocalyptic number.

255242252342 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

255242252342 is a deficient number, since it is larger than the sum of its proper divisors (237915400138).

255242252342 is a wasteful number, since it uses less digits than its factorization.

255242252342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13159 (or 13130 counting only the distinct ones).

The product of its digits is 384000, while the sum is 38.

Adding to 255242252342 its reverse (243252242552), we get a palindrome (498494494894).

The spelling of 255242252342 in words is "two hundred fifty-five billion, two hundred forty-two million, two hundred fifty-two thousand, three hundred forty-two".