340375450365 has 12 divisors (see below), whose sum is σ = 589984114044. Its totient is φ = 181533573504.

The previous prime is 340375450339. The next prime is 340375450367. The reversal of 340375450365 is 563054573043.

It is a happy number.

340375450365 is a `hidden beast` number, since 3 + 4 + 0 + 37 + 54 + 503 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 174906295524 + 165469154841 = 418218^2 + 406779^2 .

It is not a de Polignac number, because 340375450365 - 2¹⁰ = 340375449341 is a prime.

It is a super-2 number, since 2×340375450365² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 7563898897 = 340375450365 / (3 + 4 + 0 + 3 + 7 + 5 + 4 + 5 + 0 + 3 + 6 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 340375450365.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340375450367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3781949404 + ... + 3781949493.

It is an arithmetic number, because the mean of its divisors is an integer number (49165342837).

Almost surely, 2^340375450365 is an apocalyptic number.

It is an amenable number.

340375450365 is a deficient number, since it is larger than the sum of its proper divisors (249608663679).

340375450365 is a wasteful number, since it uses less digits than its factorization.

340375450365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7563898908 (or 7563898905 counting only the distinct ones).

The product of its (nonzero) digits is 2268000, while the sum is 45.

The spelling of 340375450365 in words is "three hundred forty billion, three hundred seventy-five million, four hundred fifty thousand, three hundred sixty-five".