340255808 has 14 divisors (see below), whose sum is σ = 675195246. Its totient is φ = 170127872.

The previous prime is 340255807. The next prime is 340255831. The reversal of 340255808 is 808552043.

It can be written as a sum of positive squares in only one way, i.e., 279290944 + 60964864 = 16712^2 + 7808^2 .

It is not an unprimeable number, because it can be changed into a prime (340255807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2658185 + ... + 2658312.

Almost surely, 2^340255808 is an apocalyptic number.

It is an amenable number.

340255808 is a deficient number, since it is larger than the sum of its proper divisors (334939438).

340255808 is an equidigital number, since it uses as much as digits as its factorization.

340255808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316509 (or 5316499 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 340255808 is about 18446.0241786679. The cubic root of 340255808 is about 698.1282019999.

The spelling of 340255808 in words is "three hundred forty million, two hundred fifty-five thousand, eight hundred eight".