248255856 has 60 divisors (see below), whose sum is σ = 710946808. Its totient is φ = 80825472.

The previous prime is 248255809. The next prime is 248255867. The reversal of 248255856 is 658552842.

It is a happy number.

248255856 is a `hidden beast` number, since 2 + 48 + 2 + 558 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13855 + ... + 26238.

Almost surely, 2^248255856 is an apocalyptic number.

It is an amenable number.

248255856 is an abundant number, since it is smaller than the sum of its proper divisors (462690952).

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

248255856 is a wasteful number, since it uses less digits than its factorization.

248255856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40150 (or 40141 counting only the distinct ones).

The product of its digits is 768000, while the sum is 45.

The square root of 248255856 is about 15756.1370900357. The cubic root of 248255856 is about 628.4921156519.

The spelling of 248255856 in words is "two hundred forty-eight million, two hundred fifty-five thousand, eight hundred fifty-six".