340240365 has 32 divisors (see below), whose sum is σ = 606355200. Its totient is φ = 181016640.

The previous prime is 340240349. The next prime is 340240367. The reversal of 340240365 is 563042043.

It is not a de Polignac number, because 340240365 - 2⁴ = 340240349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340240367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56395 + ... + 62135.

It is an arithmetic number, because the mean of its divisors is an integer number (18948600).

Almost surely, 2^340240365 is an apocalyptic number.

It is an amenable number.

340240365 is a deficient number, since it is larger than the sum of its proper divisors (266114835).

340240365 is a wasteful number, since it uses less digits than its factorization.

340240365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6194 (or 6188 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 340240365 is about 18445.6055742282. The cubic root of 340240365 is about 698.1176399887.

The spelling of 340240365 in words is "three hundred forty million, two hundred forty thousand, three hundred sixty-five".