268543654528 has 32 divisors (see below), whose sum is σ = 535057576020. Its totient is φ = 134254694400.

The previous prime is 268543654513. The next prime is 268543654601. The reversal of 268543654528 is 825456345862.

268543654528 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 260271388224 + 8272266304 = 510168^2 + 90952^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 904558 + ... + 1164178.

Almost surely, 2^268543654528 is an apocalyptic number.

It is an amenable number.

268543654528 is a deficient number, since it is larger than the sum of its proper divisors (266513921492).

268543654528 is an equidigital number, since it uses as much as digits as its factorization.

268543654528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267716 (or 267704 counting only the distinct ones).

The product of its digits is 55296000, while the sum is 58.

The spelling of 268543654528 in words is "two hundred sixty-eight billion, five hundred forty-three million, six hundred fifty-four thousand, five hundred twenty-eight".