255460578 has 8 divisors (see below), whose sum is σ = 510921168. Its totient is φ = 85153524.

The previous prime is 255460577. The next prime is 255460591. The reversal of 255460578 is 875064552.

It is a sphenic number, since it is the product of 3 distinct primes.

255460578 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (255460571) 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 3 ways as a sum of consecutive naturals, for example, 21288376 + ... + 21288387.

It is an arithmetic number, because the mean of its divisors is an integer number (63865146).

Almost surely, 2^255460578 is an apocalyptic number.

255460578 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

255460578 is a wasteful number, since it uses less digits than its factorization.

255460578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42576768.

The product of its (nonzero) digits is 336000, while the sum is 42.

The square root of 255460578 is about 15983.1341732465. The cubic root of 255460578 is about 634.5141285050.

The spelling of 255460578 in words is "two hundred fifty-five million, four hundred sixty thousand, five hundred seventy-eight".