340212504265 has 4 divisors (see below), whose sum is σ = 408255005124. Its totient is φ = 272170003408.

The previous prime is 340212504217. The next prime is 340212504277. The reversal of 340212504265 is 562405212043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 562405212043 = 79 ⋅7119053317.

It can be written as a sum of positive squares in 2 ways, for example, as 211868725264 + 128343779001 = 460292^2 + 358251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-340212504265 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340212504265.

It is an unprimeable number.

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, 34021250422 + ... + 34021250431.

It is an arithmetic number, because the mean of its divisors is an integer number (102063751281).

Almost surely, 2^340212504265 is an apocalyptic number.

It is an amenable number.

340212504265 is a deficient number, since it is larger than the sum of its proper divisors (68042500859).

340212504265 is an equidigital number, since it uses as much as digits as its factorization.

340212504265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68042500858.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 340212504265 in words is "three hundred forty billion, two hundred twelve million, five hundred four thousand, two hundred sixty-five".