340535305 has 16 divisors (see below), whose sum is σ = 451168704. Its totient is φ = 244674880.

The previous prime is 340535303. The next prime is 340535317. The reversal of 340535305 is 503535043.

340535305 = T₃₆₆ + T₃₆₇ + ... + T₁₂₇₈.

It is not a de Polignac number, because 340535305 - 2¹ = 340535303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340535303) 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, 32734 + ... + 41863.

It is an arithmetic number, because the mean of its divisors is an integer number (28198044).

Almost surely, 2^340535305 is an apocalyptic number.

It is an amenable number.

340535305 is a deficient number, since it is larger than the sum of its proper divisors (110633399).

340535305 is a wasteful number, since it uses less digits than its factorization.

340535305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74696.

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 340535305 is about 18453.5987005245. The cubic root of 340535305 is about 698.3193046258.

The spelling of 340535305 in words is "three hundred forty million, five hundred thirty-five thousand, three hundred five".