28286448060 has 48 divisors (see below), whose sum is σ = 85294522656. Its totient is φ = 6962817792.

The previous prime is 28286448049. The next prime is 28286448061. The reversal of 28286448060 is 6084468282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28286448061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18131559 + ... + 18133118.

It is an arithmetic number, because the mean of its divisors is an integer number (1776969222).

Almost surely, 2^28286448060 is an apocalyptic number.

28286448060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28286448060 is an abundant number, since it is smaller than the sum of its proper divisors (57008074596).

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

28286448060 is a wasteful number, since it uses less digits than its factorization.

28286448060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36264702 (or 36264700 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 48.

The spelling of 28286448060 in words is "twenty-eight billion, two hundred eighty-six million, four hundred forty-eight thousand, sixty".