340220845715 has 4 divisors (see below), whose sum is σ = 408265014864. Its totient is φ = 272176676568.

The previous prime is 340220845697. The next prime is 340220845717. The reversal of 340220845715 is 517548022043.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 340220845715 - 2⁶ = 340220845651 is a prime.

It is a super-2 number, since 2×340220845715² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340220845717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34022084567 + ... + 34022084576.

It is an arithmetic number, because the mean of its divisors is an integer number (102066253716).

Almost surely, 2^340220845715 is an apocalyptic number.

340220845715 is a deficient number, since it is larger than the sum of its proper divisors (68044169149).

340220845715 is an equidigital number, since it uses as much as digits as its factorization.

340220845715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68044169148.

The product of its (nonzero) digits is 268800, while the sum is 41.

Adding to 340220845715 its reverse (517548022043), we get a palindrome (857768867758).

The spelling of 340220845715 in words is "three hundred forty billion, two hundred twenty million, eight hundred forty-five thousand, seven hundred fifteen".