248840256 has 56 divisors (see below), whose sum is σ = 752449600. Its totient is φ = 71096832.

The previous prime is 248840227. The next prime is 248840261. The reversal of 248840256 is 652048842.

248840256 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-2 number, since 2×248840256² = 123842946012291072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91231 + ... + 93918.

It is an arithmetic number, because the mean of its divisors is an integer number (13436600).

Almost surely, 2^248840256 is an apocalyptic number.

It is an amenable number.

248840256 is an abundant number, since it is smaller than the sum of its proper divisors (503609344).

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

248840256 is a wasteful number, since it uses less digits than its factorization.

248840256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185171 (or 185161 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 248840256 is about 15774.6713436445. The cubic root of 248840256 is about 628.9848908221.

The spelling of 248840256 in words is "two hundred forty-eight million, eight hundred forty thousand, two hundred fifty-six".