234439947800 has 72 divisors (see below), whose sum is σ = 547888614060. Its totient is φ = 93291945600.

The previous prime is 234439947779. The next prime is 234439947817. The reversal of 234439947800 is 8749934432.

234439947800 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 99464222 + ... + 99466578.

Almost surely, 2^234439947800 is an apocalyptic number.

234439947800 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 234439947800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273944307030).

234439947800 is an abundant number, since it is smaller than the sum of its proper divisors (313448666260).

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

234439947800 is an equidigital number, since it uses as much as digits as its factorization.

234439947800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4941 (or 2575 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 53.

The spelling of 234439947800 in words is "two hundred thirty-four billion, four hundred thirty-nine million, nine hundred forty-seven thousand, eight hundred".