268443425028 has 24 divisors (see below), whose sum is σ = 635716769632. Its totient is φ = 88145601984.

The previous prime is 268443425009. The next prime is 268443425057. The reversal of 268443425028 is 820524344862.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166941625 + ... + 166943232.

Almost surely, 2^268443425028 is an apocalyptic number.

It is an amenable number.

268443425028 is an abundant number, since it is smaller than the sum of its proper divisors (367273344604).

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

268443425028 is a wasteful number, since it uses less digits than its factorization.

268443425028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333884931 (or 333884929 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 48.

The spelling of 268443425028 in words is "two hundred sixty-eight billion, four hundred forty-three million, four hundred twenty-five thousand, twenty-eight".