228764958912 has 280 divisors, whose sum is σ = 778226186496. Its totient is φ = 65358897408.

The previous prime is 228764958901. The next prime is 228764958931. The reversal of 228764958912 is 219859467822.

228764958912 is a `hidden beast` number, since 2 + 2 + 8 + 7 + 6 + 49 + 589 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a self number, because there is not a number n which added to its sum of digits gives 228764958912.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8805013 + ... + 8830955.

Almost surely, 2^228764958912 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228764958912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (389113093248).

228764958912 is an abundant number, since it is smaller than the sum of its proper divisors (549461227584).

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

228764958912 is an frugal number, since it uses more digits than its factorization.

228764958912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25989 (or 25955 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 63.

The spelling of 228764958912 in words is "two hundred twenty-eight billion, seven hundred sixty-four million, nine hundred fifty-eight thousand, nine hundred twelve".