340230656 has 40 divisors (see below), whose sum is σ = 719803260. Its totient is φ = 160104448.

The previous prime is 340230647. The next prime is 340230661. The reversal of 340230656 is 656032043.

It can be written as a sum of positive squares in 2 ways, for example, as 339149056 + 1081600 = 18416^2 + 1040^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10841 + ... + 28248.

Almost surely, 2^340230656 is an apocalyptic number.

It is an amenable number.

340230656 is an abundant number, since it is smaller than the sum of its proper divisors (379572604).

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

340230656 is an equidigital number, since it uses as much as digits as its factorization.

340230656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39124 (or 39108 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 340230656 is about 18445.3423931355. The cubic root of 340230656 is about 698.1109994983.

Adding to 340230656 its reverse (656032043), we get a palindrome (996262699).

The spelling of 340230656 in words is "three hundred forty million, two hundred thirty thousand, six hundred fifty-six".