28526655468 has 24 divisors (see below), whose sum is σ = 66569368768. Its totient is φ = 9507860496.

The previous prime is 28526655467. The next prime is 28526655473. The reversal of 28526655468 is 86455662582.

It is not an unprimeable number, because it can be changed into a prime (28526655467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7546 + ... + 238977.

Almost surely, 2^28526655468 is an apocalyptic number.

It is an amenable number.

28526655468 is an abundant number, since it is smaller than the sum of its proper divisors (38042713300).

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

28526655468 is a wasteful number, since it uses less digits than its factorization.

28526655468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256173 (or 256171 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 57.

The spelling of 28526655468 in words is "twenty-eight billion, five hundred twenty-six million, six hundred fifty-five thousand, four hundred sixty-eight".