340520330 has 8 divisors (see below), whose sum is σ = 612936612. Its totient is φ = 136208128.

The previous prime is 340520317. The next prime is 340520333. The reversal of 340520330 is 33025043.

It can be written as a sum of positive squares in 2 ways, for example, as 338449609 + 2070721 = 18397^2 + 1439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (340520333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17026007 + ... + 17026026.

Almost surely, 2^340520330 is an apocalyptic number.

340520330 is a deficient number, since it is larger than the sum of its proper divisors (272416282).

340520330 is a wasteful number, since it uses less digits than its factorization.

340520330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34052040.

The product of its (nonzero) digits is 1080, while the sum is 20.

The square root of 340520330 is about 18453.1929486471. The cubic root of 340520330 is about 698.3090683060.

Adding to 340520330 its reverse (33025043), we get a palindrome (373545373).

The spelling of 340520330 in words is "three hundred forty million, five hundred twenty thousand, three hundred thirty".