268383417992 has 8 divisors (see below), whose sum is σ = 503218908750. Its totient is φ = 134191708992.

The previous prime is 268383417961. The next prime is 268383418073. The reversal of 268383417992 is 299714383862.

It can be written as a sum of positive squares in only one way, i.e., 192821104996 + 75562312996 = 439114^2 + 274886^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16773963617 + ... + 16773963632.

Almost surely, 2^268383417992 is an apocalyptic number.

It is an amenable number.

268383417992 is a deficient number, since it is larger than the sum of its proper divisors (234835490758).

268383417992 is a wasteful number, since it uses less digits than its factorization.

268383417992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33547927255 (or 33547927251 counting only the distinct ones).

The product of its digits is 31352832, while the sum is 62.

The spelling of 268383417992 in words is "two hundred sixty-eight billion, three hundred eighty-three million, four hundred seventeen thousand, nine hundred ninety-two".