234240340 has 48 divisors (see below), whose sum is σ = 521547264. Its totient is φ = 88214400.

The previous prime is 234240329. The next prime is 234240343. The reversal of 234240340 is 43042432.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234240343) 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, 17835 + ... + 28045.

It is an arithmetic number, because the mean of its divisors is an integer number (10865568).

Almost surely, 2^234240340 is an apocalyptic number.

234240340 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 234240340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260773632).

234240340 is an abundant number, since it is smaller than the sum of its proper divisors (287306924).

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

234240340 is a wasteful number, since it uses less digits than its factorization.

234240340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10288 (or 10286 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 234240340 is about 15304.9122833161. The cubic root of 234240340 is about 616.4349159192.

Adding to 234240340 its reverse (43042432), we get a palindrome (277282772).

The spelling of 234240340 in words is "two hundred thirty-four million, two hundred forty thousand, three hundred forty".