255768768 has 42 divisors (see below), whose sum is σ = 733116644. Its totient is φ = 85256064.

The previous prime is 255768743. The next prime is 255768769. The reversal of 255768768 is 867867552.

255768768 is a `hidden beast` number, since 2 + 5 + 576 + 8 + 7 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (255768769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 221446 + ... + 222597.

Almost surely, 2^255768768 is an apocalyptic number.

It is an amenable number.

255768768 is an abundant number, since it is smaller than the sum of its proper divisors (477347876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

255768768 is a wasteful number, since it uses less digits than its factorization.

255768768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444061 (or 444048 counting only the distinct ones).

The product of its digits is 5644800, while the sum is 54.

The square root of 255768768 is about 15992.7723675415. The cubic root of 255768768 is about 634.7691871984.

The spelling of 255768768 in words is "two hundred fifty-five million, seven hundred sixty-eight thousand, seven hundred sixty-eight".