268143005628 has 36 divisors (see below), whose sum is σ = 694337786688. Its totient is φ = 87200976960.

The previous prime is 268143005531. The next prime is 268143005659. The reversal of 268143005628 is 826500341862.

268143005628 is a `hidden beast` number, since 2 + 6 + 8 + 14 + 3 + 0 + 0 + 5 + 628 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90832876 + ... + 90835827.

Almost surely, 2^268143005628 is an apocalyptic number.

It is an amenable number.

268143005628 is an abundant number, since it is smaller than the sum of its proper divisors (426194781060).

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

268143005628 is a wasteful number, since it uses less digits than its factorization.

268143005628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181668754 (or 181668749 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 268143005628 in words is "two hundred sixty-eight billion, one hundred forty-three million, five thousand, six hundred twenty-eight".