255881910 has 16 divisors (see below), whose sum is σ = 614116656. Its totient is φ = 68235168.

The previous prime is 255881893. The next prime is 255881929. The reversal of 255881910 is 19188552.

255881910 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4264669 + ... + 4264728.

It is an arithmetic number, because the mean of its divisors is an integer number (38382291).

Almost surely, 2^255881910 is an apocalyptic number.

255881910 is an abundant number, since it is smaller than the sum of its proper divisors (358234746).

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

255881910 is a wasteful number, since it uses less digits than its factorization.

255881910 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529407.

The product of its (nonzero) digits is 28800, while the sum is 39.

The square root of 255881910 is about 15996.3092618266. The cubic root of 255881910 is about 634.8627723386.

The spelling of 255881910 in words is "two hundred fifty-five million, eight hundred eighty-one thousand, nine hundred ten".