228636000000 has 1008 divisors, whose sum is σ = 886254280800. Its totient is φ = 58060800000.

The previous prime is 228635999959. The next prime is 228636000013. The reversal of 228636000000 is 636822.

228636000000 is a `hidden beast` number, since 2 + 28 + 636 + 0 + 0 + 0 + 0 + 0 + 0 = 666.

228636000000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 3131999964 + ... + 3132000036.

Almost surely, 2^228636000000 is an apocalyptic number.

228636000000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228636000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443127140400).

228636000000 is an abundant number, since it is smaller than the sum of its proper divisors (657618280800).

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

228636000000 is an frugal number, since it uses more digits than its factorization.

228636000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 228636000000 its reverse (636822), we get a palindrome (228636636822).

The spelling of 228636000000 in words is "two hundred twenty-eight billion, six hundred thirty-six million", and thus it is an aban number.