268803648 has 42 divisors (see below), whose sum is σ = 770478774. Its totient is φ = 89601024.

The previous prime is 268803641. The next prime is 268803649. The reversal of 268803648 is 846308862.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 257025024 + 11778624 = 16032^2 + 3432^2 .

It is not an unprimeable number, because it can be changed into a prime (268803641) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 232761 + ... + 233912.

Almost surely, 2^268803648 is an apocalyptic number.

It is an amenable number.

268803648 is an abundant number, since it is smaller than the sum of its proper divisors (501675126).

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

268803648 is a wasteful number, since it uses less digits than its factorization.

268803648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466691 (or 466678 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The square root of 268803648 is about 16395.2324777662. The cubic root of 268803648 is about 645.3743779342.

The spelling of 268803648 in words is "two hundred sixty-eight million, eight hundred three thousand, six hundred forty-eight".