255942658 has 8 divisors (see below), whose sum is σ = 385374528. Its totient is φ = 127484484.

The previous prime is 255942647. The next prime is 255942677. The reversal of 255942658 is 856249552.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 242766 + ... + 243817.

It is an arithmetic number, because the mean of its divisors is an integer number (48171816).

Almost surely, 2^255942658 is an apocalyptic number.

255942658 is a deficient number, since it is larger than the sum of its proper divisors (129431870).

255942658 is a wasteful number, since it uses less digits than its factorization.

255942658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486848.

The product of its digits is 864000, while the sum is 46.

The square root of 255942658 is about 15998.2079621438. The cubic root of 255942658 is about 634.9130085226.

The spelling of 255942658 in words is "two hundred fifty-five million, nine hundred forty-two thousand, six hundred fifty-eight".