268522393968 has 30 divisors (see below), whose sum is σ = 751489755744. Its totient is φ = 89507464608.

The previous prime is 268522393933. The next prime is 268522393969. The reversal of 268522393968 is 869393225862.

268522393968 is a `hidden beast` number, since 2 + 6 + 8 + 5 + 2 + 239 + 396 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268522393969) 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, 932369280 + ... + 932369567.

Almost surely, 2^268522393968 is an apocalyptic number.

It is an amenable number.

268522393968 is an abundant number, since it is smaller than the sum of its proper divisors (482967361776).

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

268522393968 is a wasteful number, since it uses less digits than its factorization.

268522393968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1864738861 (or 1864738852 counting only the distinct ones).

The product of its digits is 67184640, while the sum is 63.

The spelling of 268522393968 in words is "two hundred sixty-eight billion, five hundred twenty-two million, three hundred ninety-three thousand, nine hundred sixty-eight".