340217172255 has 8 divisors (see below), whose sum is σ = 544347475632. Its totient is φ = 181449158528.

The previous prime is 340217172209. The next prime is 340217172271. The reversal of 340217172255 is 552271712043.

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

It is a cyclic number.

It is not a de Polignac number, because 340217172255 - 2⁹ = 340217171743 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11340572394 + ... + 11340572423.

It is an arithmetic number, because the mean of its divisors is an integer number (68043434454).

Almost surely, 2^340217172255 is an apocalyptic number.

340217172255 is a deficient number, since it is larger than the sum of its proper divisors (204130303377).

340217172255 is a wasteful number, since it uses less digits than its factorization.

340217172255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22681144825.

The product of its (nonzero) digits is 117600, while the sum is 39.

Adding to 340217172255 its reverse (552271712043), we get a palindrome (892488884298).

The spelling of 340217172255 in words is "three hundred forty billion, two hundred seventeen million, one hundred seventy-two thousand, two hundred fifty-five".