340306306534 has 8 divisors (see below), whose sum is σ = 510678266400. Its totient is φ = 170080217736.

The previous prime is 340306306523. The next prime is 340306306597. The reversal of 340306306534 is 435603603043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 340306306493 and 340306306502.

It is a congruent number.

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, 36461934 + ... + 36471265.

It is an arithmetic number, because the mean of its divisors is an integer number (63834783300).

Almost surely, 2^340306306534 is an apocalyptic number.

340306306534 is a deficient number, since it is larger than the sum of its proper divisors (170371959866).

340306306534 is a wasteful number, since it uses less digits than its factorization.

340306306534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72935534.

The product of its (nonzero) digits is 233280, while the sum is 37.

Adding to 340306306534 its reverse (435603603043), we get a palindrome (775909909577).

The spelling of 340306306534 in words is "three hundred forty billion, three hundred six million, three hundred six thousand, five hundred thirty-four".