255815068 has 12 divisors (see below), whose sum is σ = 453809440. Its totient is φ = 126155232.

The previous prime is 255815051. The next prime is 255815071. The reversal of 255815068 is 860518552.

It is a self number, because there is not a number n which added to its sum of digits gives 255815068.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 437748 + ... + 438331.

Almost surely, 2^255815068 is an apocalyptic number.

It is an amenable number.

255815068 is a deficient number, since it is larger than the sum of its proper divisors (197994372).

255815068 is a wasteful number, since it uses less digits than its factorization.

255815068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876156 (or 876154 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 40.

The square root of 255815068 is about 15994.2198309264. The cubic root of 255815068 is about 634.8074874704.

The spelling of 255815068 in words is "two hundred fifty-five million, eight hundred fifteen thousand, sixty-eight".