255709342 has 24 divisors (see below), whose sum is σ = 472436064. Its totient is φ = 103142592.

The previous prime is 255709339. The next prime is 255709343. The reversal of 255709342 is 243907552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255709343) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 75078 + ... + 78409.

It is an arithmetic number, because the mean of its divisors is an integer number (19684836).

Almost surely, 2^255709342 is an apocalyptic number.

255709342 is a deficient number, since it is larger than the sum of its proper divisors (216726722).

255709342 is a wasteful number, since it uses less digits than its factorization.

255709342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153520 (or 153513 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 37.

The square root of 255709342 is about 15990.9143578471. The cubic root of 255709342 is about 634.7200220667.

The spelling of 255709342 in words is "two hundred fifty-five million, seven hundred nine thousand, three hundred forty-two".