268556648 has 64 divisors (see below), whose sum is σ = 543179520. Its totient is φ = 124185600.

The previous prime is 268556647. The next prime is 268556711. The reversal of 268556648 is 846655862.

It is a junction number, because it is equal to n+sod(n) for n = 268556596 and 268556605.

It is not an unprimeable number, because it can be changed into a prime (268556641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 796736 + ... + 797072.

It is an arithmetic number, because the mean of its divisors is an integer number (8487180).

Almost surely, 2^268556648 is an apocalyptic number.

It is an amenable number.

268556648 is an abundant number, since it is smaller than the sum of its proper divisors (274622872).

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

268556648 is a wasteful number, since it uses less digits than its factorization.

268556648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 494 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 50.

The square root of 268556648 is about 16387.6980689784. The cubic root of 268556648 is about 645.1766421231.

The spelling of 268556648 in words is "two hundred sixty-eight million, five hundred fifty-six thousand, six hundred forty-eight".