255834774 has 48 divisors (see below), whose sum is σ = 619072272. Its totient is φ = 78716448.

The previous prime is 255834739. The next prime is 255834779. The reversal of 255834774 is 477438552.

255834774 is a `hidden beast` number, since 25 + 583 + 47 + 7 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255834779) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13929 + ... + 26564.

It is an arithmetic number, because the mean of its divisors is an integer number (12897339).

Almost surely, 2^255834774 is an apocalyptic number.

255834774 is an abundant number, since it is smaller than the sum of its proper divisors (363237498).

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

255834774 is a wasteful number, since it uses less digits than its factorization.

255834774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40523 (or 40511 counting only the distinct ones).

The product of its digits is 940800, while the sum is 45.

The square root of 255834774 is about 15994.8358541124. The cubic root of 255834774 is about 634.8237872598.

The spelling of 255834774 in words is "two hundred fifty-five million, eight hundred thirty-four thousand, seven hundred seventy-four".