255422042 has 16 divisors (see below), whose sum is σ = 410562432. Its totient is φ = 118749120.

The previous prime is 255422039. The next prime is 255422099. The reversal of 255422042 is 240224552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42434 + ... + 48077.

It is an arithmetic number, because the mean of its divisors is an integer number (25660152).

Almost surely, 2^255422042 is an apocalyptic number.

255422042 is a deficient number, since it is larger than the sum of its proper divisors (155140390).

255422042 is a wasteful number, since it uses less digits than its factorization.

255422042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90613.

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 255422042 is about 15981.9286070236. The cubic root of 255422042 is about 634.4822216040.

Adding to 255422042 its reverse (240224552), we get a palindrome (495646594).

The spelling of 255422042 in words is "two hundred fifty-five million, four hundred twenty-two thousand, forty-two".