28550285456 has 40 divisors (see below), whose sum is σ = 68965627584. Its totient is φ = 11123487360.

The previous prime is 28550285453. The next prime is 28550285459. The reversal of 28550285456 is 65458205582.

It is an interprime number because it is at equal distance from previous prime (28550285453) and next prime (28550285459).

It is not an unprimeable number, because it can be changed into a prime (28550285453) 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, 11585735 + ... + 11588198.

Almost surely, 2^28550285456 is an apocalyptic number.

It is an amenable number.

28550285456 is an abundant number, since it is smaller than the sum of its proper divisors (40415342128).

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

28550285456 is a wasteful number, since it uses less digits than its factorization.

28550285456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23173959 (or 23173953 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 50.

The spelling of 28550285456 in words is "twenty-eight billion, five hundred fifty million, two hundred eighty-five thousand, four hundred fifty-six".