255671580 has 24 divisors (see below), whose sum is σ = 715880592. Its totient is φ = 68179072.

The previous prime is 255671459. The next prime is 255671597. The reversal of 255671580 is 85176552.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2130537 + ... + 2130656.

It is an arithmetic number, because the mean of its divisors is an integer number (29828358).

Almost surely, 2^255671580 is an apocalyptic number.

255671580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255671580 is an abundant number, since it is smaller than the sum of its proper divisors (460209012).

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

255671580 is a wasteful number, since it uses less digits than its factorization.

255671580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4261205 (or 4261203 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 39.

The square root of 255671580 is about 15989.7335812702. The cubic root of 255671580 is about 634.6887763337.

The spelling of 255671580 in words is "two hundred fifty-five million, six hundred seventy-one thousand, five hundred eighty".