255845870 has 32 divisors (see below), whose sum is σ = 529011648. Its totient is φ = 87268608.

The previous prime is 255845857. The next prime is 255845911. The reversal of 255845870 is 78548552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4514 + ... + 23066.

It is an arithmetic number, because the mean of its divisors is an integer number (16531614).

Almost surely, 2^255845870 is an apocalyptic number.

255845870 is an abundant number, since it is smaller than the sum of its proper divisors (273165778).

255845870 is a wasteful number, since it uses less digits than its factorization.

255845870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18764.

The product of its (nonzero) digits is 448000, while the sum is 44.

The square root of 255845870 is about 15995.1827123044. The cubic root of 255845870 is about 634.8329649317.

The spelling of 255845870 in words is "two hundred fifty-five million, eight hundred forty-five thousand, eight hundred seventy".