340040350300517 has 4 divisors (see below), whose sum is σ = 340182092841600. Its totient is φ = 339898607759436.

The previous prime is 340040350300457. The next prime is 340040350300621. The reversal of 340040350300517 is 715003053040043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 340040350300517 - 2²⁸ = 340040081865061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340040350200517) 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, 70871266943 + ... + 70871271740.

It is an arithmetic number, because the mean of its divisors is an integer number (85045523210400).

Almost surely, 2^{340040350300517} is an apocalyptic number.

It is an amenable number.

340040350300517 is a deficient number, since it is larger than the sum of its proper divisors (141742541083).

340040350300517 is a wasteful number, since it uses less digits than its factorization.

340040350300517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141742541082.

The product of its (nonzero) digits is 75600, while the sum is 35.

The spelling of 340040350300517 in words is "three hundred forty trillion, forty billion, three hundred fifty million, three hundred thousand, five hundred seventeen".