229798237680 has 400 divisors, whose sum is σ = 874328932224. Its totient is φ = 55704464640.

The previous prime is 229798237673. The next prime is 229798237703. The reversal of 229798237680 is 86732897922.

229798237680 is a `hidden beast` number, since 22 + 97 + 9 + 82 + 376 + 80 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 17314407 + ... + 17327673.

Almost surely, 2^229798237680 is an apocalyptic number.

229798237680 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 229798237680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437164466112).

229798237680 is an abundant number, since it is smaller than the sum of its proper divisors (644530694544).

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

229798237680 is an equidigital number, since it uses as much as digits as its factorization.

229798237680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13318 (or 13288 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 229798237680 in words is "two hundred twenty-nine billion, seven hundred ninety-eight million, two hundred thirty-seven thousand, six hundred eighty".