340260617465 has 4 divisors (see below), whose sum is σ = 408312740964. Its totient is φ = 272208493968.

The previous prime is 340260617461. The next prime is 340260617467. The reversal of 340260617465 is 564716062043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 564716062043 = 7 ⋅80673723149.

It can be written as a sum of positive squares in 2 ways, for example, as 83325172921 + 256935444544 = 288661^2 + 506888^2 .

It is a cyclic number.

It is not a de Polignac number, because 340260617465 - 2² = 340260617461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340260617461) 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, 34026061742 + ... + 34026061751.

It is an arithmetic number, because the mean of its divisors is an integer number (102078185241).

Almost surely, 2^340260617465 is an apocalyptic number.

It is an amenable number.

340260617465 is a deficient number, since it is larger than the sum of its proper divisors (68052123499).

340260617465 is an equidigital number, since it uses as much as digits as its factorization.

340260617465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68052123498.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 340260617465 in words is "three hundred forty billion, two hundred sixty million, six hundred seventeen thousand, four hundred sixty-five".