268268281352 has 8 divisors (see below), whose sum is σ = 503003027550. Its totient is φ = 134134140672.

The previous prime is 268268281343. The next prime is 268268281373. The reversal of 268268281352 is 253182862862.

It can be written as a sum of positive squares in only one way, i.e., 206230423876 + 62037857476 = 454126^2 + 249074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 268268281294 and 268268281303.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16766767577 + ... + 16766767592.

Almost surely, 2^268268281352 is an apocalyptic number.

It is an amenable number.

268268281352 is a deficient number, since it is larger than the sum of its proper divisors (234734746198).

268268281352 is a wasteful number, since it uses less digits than its factorization.

268268281352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33533535175 (or 33533535171 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 53.

The spelling of 268268281352 in words is "two hundred sixty-eight billion, two hundred sixty-eight million, two hundred eighty-one thousand, three hundred fifty-two".