255888790 has 16 divisors (see below), whose sum is σ = 471834720. Its totient is φ = 99858880.

The previous prime is 255888691. The next prime is 255888791. The reversal of 255888790 is 97888552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255888791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311650 + ... + 312469.

It is an arithmetic number, because the mean of its divisors is an integer number (29489670).

Almost surely, 2^255888790 is an apocalyptic number.

255888790 is a deficient number, since it is larger than the sum of its proper divisors (215945930).

255888790 is a wasteful number, since it uses less digits than its factorization.

255888790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 624167.

The product of its (nonzero) digits is 1612800, while the sum is 52.

The square root of 255888790 is about 15996.5243099868. The cubic root of 255888790 is about 634.8684622247.

The spelling of 255888790 in words is "two hundred fifty-five million, eight hundred eighty-eight thousand, seven hundred ninety".