340230320 has 80 divisors (see below), whose sum is σ = 834053760. Its totient is φ = 128873472.

The previous prime is 340230271. The next prime is 340230323. The reversal of 340230320 is 23032043.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (340230323) 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, 121577 + ... + 124343.

It is an arithmetic number, because the mean of its divisors is an integer number (10425672).

Almost surely, 2^340230320 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340230320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417026880).

340230320 is an abundant number, since it is smaller than the sum of its proper divisors (493823440).

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

340230320 is a wasteful number, since it uses less digits than its factorization.

340230320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2862 (or 2856 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 340230320 is about 18445.3332851429. Note that the first 3 decimals coincide. The cubic root of 340230320 is about 698.1107696881.

Adding to 340230320 its reverse (23032043), we get a palindrome (363262363).

The spelling of 340230320 in words is "three hundred forty million, two hundred thirty thousand, three hundred twenty".