340330340 has 96 divisors (see below), whose sum is σ = 843671808. Its totient is φ = 112896000.

The previous prime is 340330301. The next prime is 340330343. The reversal of 340330340 is 43033043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (340330343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1211000 + ... + 1211280.

It is an arithmetic number, because the mean of its divisors is an integer number (8788248).

Almost surely, 2^340330340 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 340330340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (421835904).

340330340 is an abundant number, since it is smaller than the sum of its proper divisors (503341468).

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

340330340 is a wasteful number, since it uses less digits than its factorization.

340330340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 20.

The square root of 340330340 is about 18448.0443407967. The cubic root of 340330340 is about 698.1791725649.

Adding to 340330340 its reverse (43033043), we get a palindrome (383363383).

The spelling of 340330340 in words is "three hundred forty million, three hundred thirty thousand, three hundred forty".