230442660 has 144 divisors (see below), whose sum is σ = 820624896. Its totient is φ = 51238656.

The previous prime is 230442649. The next prime is 230442661. The reversal of 230442660 is 66244032.

230442660 is a `hidden beast` number, since 230 + 4 + 426 + 6 + 0 = 666.

230442660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (230442661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 44149 + ... + 49091.

It is an arithmetic number, because the mean of its divisors is an integer number (5698784).

Almost surely, 2^230442660 is an apocalyptic number.

230442660 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 230442660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (410312448).

230442660 is an abundant number, since it is smaller than the sum of its proper divisors (590182236).

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

230442660 is a wasteful number, since it uses less digits than its factorization.

230442660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5002 (or 4997 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

The square root of 230442660 is about 15180.3379409024. The cubic root of 230442660 is about 613.0853801081.

Adding to 230442660 its reverse (66244032), we get a palindrome (296686692).

The spelling of 230442660 in words is "two hundred thirty million, four hundred forty-two thousand, six hundred sixty".