340242865 has 8 divisors (see below), whose sum is σ = 408405888. Its totient is φ = 272118000.

The previous prime is 340242839. The next prime is 340242883. The reversal of 340242865 is 568242043.

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

It is not a de Polignac number, because 340242865 - 2¹³ = 340234673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340242865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16594 + ... + 30916.

It is an arithmetic number, because the mean of its divisors is an integer number (51050736).

Almost surely, 2^340242865 is an apocalyptic number.

It is an amenable number.

340242865 is a deficient number, since it is larger than the sum of its proper divisors (68163023).

340242865 is a wasteful number, since it uses less digits than its factorization.

340242865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19079.

The product of its (nonzero) digits is 46080, while the sum is 34.

The square root of 340242865 is about 18445.6733409220. The cubic root of 340242865 is about 698.1193498484.

The spelling of 340242865 in words is "three hundred forty million, two hundred forty-two thousand, eight hundred sixty-five".