255940867 has 36 divisors (see below), whose sum is σ = 333124416. Its totient is φ = 195773760.

The previous prime is 255940843. The next prime is 255940973. The reversal of 255940867 is 768049552.

It is not a de Polignac number, because 255940867 - 2¹¹ = 255938819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255940837) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 256213 + ... + 257209.

It is an arithmetic number, because the mean of its divisors is an integer number (9253456).

Almost surely, 2^255940867 is an apocalyptic number.

255940867 is a deficient number, since it is larger than the sum of its proper divisors (77183549).

255940867 is a wasteful number, since it uses less digits than its factorization.

255940867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1068 (or 1048 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 46.

The square root of 255940867 is about 15998.1519870265. The cubic root of 255940867 is about 634.9115275504.

The spelling of 255940867 in words is "two hundred fifty-five million, nine hundred forty thousand, eight hundred sixty-seven".