228736395612 has 48 divisors (see below), whose sum is σ = 593203161600. Its totient is φ = 76221952560.

The previous prime is 228736395611. The next prime is 228736395647. The reversal of 228736395612 is 216593637822.

228736395612 is a `hidden beast` number, since 2 + 2 + 8 + 73 + 6 + 3 + 9 + 561 + 2 = 666.

228736395612 is digitally balanced in base 3, 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 (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228736395611) 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, 27037 + ... + 676907.

It is an arithmetic number, because the mean of its divisors is an integer number (12358399200).

Almost surely, 2^228736395612 is an apocalyptic number.

It is an amenable number.

228736395612 is an abundant number, since it is smaller than the sum of its proper divisors (364466765988).

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

228736395612 is a wasteful number, since it uses less digits than its factorization.

228736395612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653143 (or 653135 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 228736395612 in words is "two hundred twenty-eight billion, seven hundred thirty-six million, three hundred ninety-five thousand, six hundred twelve".