268121592792 has 24 divisors (see below), whose sum is σ = 726162647340. Its totient is φ = 89373864240.

The previous prime is 268121592787. The next prime is 268121592799. The reversal of 268121592792 is 297295121862.

268121592792 is a `hidden beast` number, since 26 + 8 + 1 + 21 + 592 + 7 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268121592799) 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, 1861955434 + ... + 1861955577.

Almost surely, 2^268121592792 is an apocalyptic number.

It is an amenable number.

268121592792 is an abundant number, since it is smaller than the sum of its proper divisors (458041054548).

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

268121592792 is a wasteful number, since it uses less digits than its factorization.

268121592792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3723911023 (or 3723911016 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The spelling of 268121592792 in words is "two hundred sixty-eight billion, one hundred twenty-one million, five hundred ninety-two thousand, seven hundred ninety-two".