255881570 has 16 divisors (see below), whose sum is σ = 526385088. Its totient is φ = 87730800.

The previous prime is 255881567. The next prime is 255881579. The reversal of 255881570 is 75188552.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (255881579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1827656 + ... + 1827795.

It is an arithmetic number, because the mean of its divisors is an integer number (32899068).

Almost surely, 2^255881570 is an apocalyptic number.

255881570 is an abundant number, since it is smaller than the sum of its proper divisors (270503518).

255881570 is a wasteful number, since it uses less digits than its factorization.

255881570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3655465.

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 255881570 is about 15996.2986343716. The cubic root of 255881570 is about 634.8624911497.

The spelling of 255881570 in words is "two hundred fifty-five million, eight hundred eighty-one thousand, five hundred seventy".