268028443564 has 36 divisors (see below), whose sum is σ = 545659877784. Its totient is φ = 114862902336.

The previous prime is 268028443541. The next prime is 268028443583. The reversal of 268028443564 is 465344820862.

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, 5540947 + ... + 5589109.

Almost surely, 2^268028443564 is an apocalyptic number.

It is an amenable number.

268028443564 is an abundant number, since it is smaller than the sum of its proper divisors (277631434220).

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

268028443564 is a wasteful number, since it uses less digits than its factorization.

268028443564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76574 (or 76565 counting only the distinct ones).

The product of its (nonzero) digits is 8847360, while the sum is 52.

The spelling of 268028443564 in words is "two hundred sixty-eight billion, twenty-eight million, four hundred forty-three thousand, five hundred sixty-four".