28568041568 has 48 divisors (see below), whose sum is σ = 63335623680. Its totient is φ = 12566582400.

The previous prime is 28568041553. The next prime is 28568041571. The reversal of 28568041568 is 86514086582.

It is a super-2 number, since 2×28568041568² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1298108 + ... + 1319931.

It is an arithmetic number, because the mean of its divisors is an integer number (1319492160).

Almost surely, 2^28568041568 is an apocalyptic number.

It is an amenable number.

28568041568 is an abundant number, since it is smaller than the sum of its proper divisors (34767582112).

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

28568041568 is a wasteful number, since it uses less digits than its factorization.

28568041568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2618091 (or 2618083 counting only the distinct ones).

The product of its (nonzero) digits is 3686400, while the sum is 53.

The spelling of 28568041568 in words is "twenty-eight billion, five hundred sixty-eight million, forty-one thousand, five hundred sixty-eight".