255760942 has 4 divisors (see below), whose sum is σ = 383641416. Its totient is φ = 127880470.

The previous prime is 255760933. The next prime is 255760997. The reversal of 255760942 is 249067552.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 255760895 and 255760904.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 63940234 + ... + 63940237.

It is an arithmetic number, because the mean of its divisors is an integer number (95910354).

Almost surely, 2^255760942 is an apocalyptic number.

255760942 is a deficient number, since it is larger than the sum of its proper divisors (127880474).

255760942 is a wasteful number, since it uses less digits than its factorization.

255760942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127880473.

The product of its (nonzero) digits is 151200, while the sum is 40.

The square root of 255760942 is about 15992.5276926445. The cubic root of 255760942 is about 634.7627129204.

The spelling of 255760942 in words is "two hundred fifty-five million, seven hundred sixty thousand, nine hundred forty-two".