268637485318272 has 96 divisors (see below), whose sum is σ = 883465539540480. Its totient is φ = 76753567231488.

The previous prime is 268637485318261. The next prime is 268637485318289. The reversal of 268637485318272 is 272813584736862.

268637485318272 is a `hidden beast` number, since 2 + 6 + 8 + 6 + 3 + 7 + 4 + 8 + 531 + 82 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 268637485318272.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16656582048 + ... + 16656598175.

It is an arithmetic number, because the mean of its divisors is an integer number (9202766036880).

Almost surely, 2^{268637485318272} is an apocalyptic number.

It is an amenable number.

268637485318272 is an abundant number, since it is smaller than the sum of its proper divisors (614828054222208).

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

268637485318272 is a wasteful number, since it uses less digits than its factorization.

268637485318272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33313180250 (or 33313180235 counting only the distinct ones).

The product of its digits is 1300561920, while the sum is 72.

The spelling of 268637485318272 in words is "two hundred sixty-eight trillion, six hundred thirty-seven billion, four hundred eighty-five million, three hundred eighteen thousand, two hundred seventy-two".