28365018060 has 48 divisors (see below), whose sum is σ = 80920588896. Its totient is φ = 7421286912.

The previous prime is 28365018029. The next prime is 28365018061. The reversal of 28365018060 is 6081056382.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28365018061) 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, 4456729 + ... + 4463088.

It is an arithmetic number, because the mean of its divisors is an integer number (1685845602).

Almost surely, 2^28365018060 is an apocalyptic number.

28365018060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28365018060 is an abundant number, since it is smaller than the sum of its proper divisors (52555570836).

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

28365018060 is a wasteful number, since it uses less digits than its factorization.

28365018060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919882 (or 8919880 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The spelling of 28365018060 in words is "twenty-eight billion, three hundred sixty-five million, eighteen thousand, sixty".