340386393535 has 4 divisors (see below), whose sum is σ = 408463672248. Its totient is φ = 272309114824.

The previous prime is 340386393443. The next prime is 340386393551. The reversal of 340386393535 is 535393683043.

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 340386393535 - 2¹⁵ = 340386360767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34038639349 + ... + 34038639358.

It is an arithmetic number, because the mean of its divisors is an integer number (102115918062).

Almost surely, 2^340386393535 is an apocalyptic number.

340386393535 is a deficient number, since it is larger than the sum of its proper divisors (68077278713).

340386393535 is an equidigital number, since it uses as much as digits as its factorization.

340386393535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68077278712.

The product of its (nonzero) digits is 10497600, while the sum is 52.

The spelling of 340386393535 in words is "three hundred forty billion, three hundred eighty-six million, three hundred ninety-three thousand, five hundred thirty-five".