340245256465 has 8 divisors (see below), whose sum is σ = 408953914560. Its totient is φ = 271756467312.

The previous prime is 340245256459. The next prime is 340245256487. The reversal of 340245256465 is 564652542043.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340245256465 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54963829 + ... + 54970018.

It is an arithmetic number, because the mean of its divisors is an integer number (51119239320).

Almost surely, 2^340245256465 is an apocalyptic number.

It is an amenable number.

340245256465 is a deficient number, since it is larger than the sum of its proper divisors (68708658095).

340245256465 is a wasteful number, since it uses less digits than its factorization.

340245256465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109934471.

The product of its (nonzero) digits is 3456000, while the sum is 46.

The spelling of 340245256465 in words is "three hundred forty billion, two hundred forty-five million, two hundred fifty-six thousand, four hundred sixty-five".