255581448 has 16 divisors (see below), whose sum is σ = 638953680. Its totient is φ = 85193808.

The previous prime is 255581411. The next prime is 255581461. The reversal of 255581448 is 844185552.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5324590 + ... + 5324637.

It is an arithmetic number, because the mean of its divisors is an integer number (39934605).

Almost surely, 2^255581448 is an apocalyptic number.

It is an amenable number.

255581448 is an abundant number, since it is smaller than the sum of its proper divisors (383372232).

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

255581448 is a wasteful number, since it uses less digits than its factorization.

255581448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10649236 (or 10649232 counting only the distinct ones).

The product of its digits is 256000, while the sum is 42.

The square root of 255581448 is about 15986.9148993794. The cubic root of 255581448 is about 634.6141852087.

The spelling of 255581448 in words is "two hundred fifty-five million, five hundred eighty-one thousand, four hundred forty-eight".