340456065 has 16 divisors (see below), whose sum is σ = 545182656. Its totient is φ = 181425600.

The previous prime is 340456063. The next prime is 340456091. The reversal of 340456065 is 560654043.

It is not a de Polignac number, because 340456065 - 2¹ = 340456063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340456063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10575 + ... + 28155.

It is an arithmetic number, because the mean of its divisors is an integer number (34073916).

Almost surely, 2^340456065 is an apocalyptic number.

It is an amenable number.

340456065 is a deficient number, since it is larger than the sum of its proper divisors (204726591).

340456065 is a wasteful number, since it uses less digits than its factorization.

340456065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18880.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 340456065 is about 18451.4515689146. The cubic root of 340456065 is about 698.2651358769.

The spelling of 340456065 in words is "three hundred forty million, four hundred fifty-six thousand, sixty-five".