340195727169 has 45 divisors (see below), whose sum is σ = 512232480243. Its totient is φ = 225008867088.

The previous prime is 340195727159. The next prime is 340195727173. The reversal of 340195727169 is 961727591043.

The square root of 340195727169 is 583263.

It is a perfect power (a square), and thus also a powerful number.

340195727169 is a `hidden beast` number, since 3 + 4 + 0 + 1 + 9 + 572 + 7 + 1 + 69 = 666.

It can be written as a sum of positive squares in only one way, i.e., 316841774769 + 23353952400 = 562887^2 + 152820^2 .

It is not a de Polignac number, because 340195727169 - 2⁹ = 340195726657 is a prime.

It is a super-2 number, since 2×340195727169² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (340195727159) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 1202104902 + ... + 1202105184.

Almost surely, 2^340195727169 is an apocalyptic number.

340195727169 is the 583263-rd square number.

340195727169 is the 291632-nd centered octagonal number.

It is an amenable number.

340195727169 is a deficient number, since it is larger than the sum of its proper divisors (172036753074).

340195727169 is an frugal number, since it uses more digits than its factorization.

340195727169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 54.

The spelling of 340195727169 in words is "three hundred forty billion, one hundred ninety-five million, seven hundred twenty-seven thousand, one hundred sixty-nine".