255581080 has 16 divisors (see below), whose sum is σ = 575057520. Its totient is φ = 102232416.

The previous prime is 255581069. The next prime is 255581087. The reversal of 255581080 is 80185552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255581087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3194724 + ... + 3194803.

It is an arithmetic number, because the mean of its divisors is an integer number (35941095).

Almost surely, 2^255581080 is an apocalyptic number.

255581080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

255581080 is an abundant number, since it is smaller than the sum of its proper divisors (319476440).

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

255581080 is a wasteful number, since it uses less digits than its factorization.

255581080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389538 (or 6389534 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 34.

The square root of 255581080 is about 15986.9033899627. The cubic root of 255581080 is about 634.6138806246.

The spelling of 255581080 in words is "two hundred fifty-five million, five hundred eighty-one thousand, eighty".