340255899 has 6 divisors (see below), whose sum is σ = 491480756. Its totient is φ = 226837260.

The previous prime is 340255897. The next prime is 340255931. The reversal of 340255899 is 998552043.

340255899 is a `hidden beast` number, since 3 + 4 + 0 + 2 + 558 + 99 = 666.

It is not a de Polignac number, because 340255899 - 2¹ = 340255897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340255897) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18903097 + ... + 18903114.

Almost surely, 2^340255899 is an apocalyptic number.

340255899 is a deficient number, since it is larger than the sum of its proper divisors (151224857).

340255899 is a wasteful number, since it uses less digits than its factorization.

340255899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37806217 (or 37806214 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 340255899 is about 18446.0266453239. The cubic root of 340255899 is about 698.1282642370.

The spelling of 340255899 in words is "three hundred forty million, two hundred fifty-five thousand, eight hundred ninety-nine".