346402640322345 has 16 divisors (see below), whose sum is σ = 573356094327360. Its totient is φ = 178377451568064.

The previous prime is 346402640322317. The next prime is 346402640322367. The reversal of 346402640322345 is 543223046204643.

It is not a de Polignac number, because 346402640322345 - 2⁵ = 346402640322313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 346402640322294 and 346402640322303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398163953959 + ... + 398163954828.

It is an arithmetic number, because the mean of its divisors is an integer number (35834755895460).

Almost surely, 2^{346402640322345} is an apocalyptic number.

It is an amenable number.

346402640322345 is a deficient number, since it is larger than the sum of its proper divisors (226953454005015).

346402640322345 is a wasteful number, since it uses less digits than its factorization.

346402640322345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796327908824.

The product of its (nonzero) digits is 9953280, while the sum is 48.

Adding to 346402640322345 its reverse (543223046204643), we get a palindrome (889625686526988).

The spelling of 346402640322345 in words is "three hundred forty-six trillion, four hundred two billion, six hundred forty million, three hundred twenty-two thousand, three hundred forty-five".