228533876660 has 24 divisors (see below), whose sum is σ = 480761657376. Its totient is φ = 91253452320.

The previous prime is 228533876633. The next prime is 228533876677. The reversal of 228533876660 is 66678335822.

It is a junction number, because it is equal to n+sod(n) for n = 228533876596 and 228533876605.

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, 9994442 + ... + 10017281.

It is an arithmetic number, because the mean of its divisors is an integer number (20031735724).

Almost surely, 2^228533876660 is an apocalyptic number.

228533876660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228533876660 is an abundant number, since it is smaller than the sum of its proper divisors (252227780716).

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

228533876660 is a wasteful number, since it uses less digits than its factorization.

228533876660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20012303 (or 20012301 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 56.

The spelling of 228533876660 in words is "two hundred twenty-eight billion, five hundred thirty-three million, eight hundred seventy-six thousand, six hundred sixty".