340255289 has 16 divisors (see below), whose sum is σ = 406581120. Its totient is φ = 281084160.

The previous prime is 340255271. The next prime is 340255303. The reversal of 340255289 is 982552043.

It is a cyclic number.

It is not a de Polignac number, because 340255289 - 2⁸ = 340255033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (340255229) 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, 25949 + ... + 36794.

It is an arithmetic number, because the mean of its divisors is an integer number (25411320).

Almost surely, 2^340255289 is an apocalyptic number.

It is an amenable number.

340255289 is a deficient number, since it is larger than the sum of its proper divisors (66325831).

340255289 is a wasteful number, since it uses less digits than its factorization.

340255289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62800.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 340255289 is about 18446.0101105903. The cubic root of 340255289 is about 698.1278470427.

The spelling of 340255289 in words is "three hundred forty million, two hundred fifty-five thousand, two hundred eighty-nine".