340005555 has 12 divisors (see below), whose sum is σ = 589343040. Its totient is φ = 181336272.

The previous prime is 340005529. The next prime is 340005571. The reversal of 340005555 is 555500043.

It is not a de Polignac number, because 340005555 - 2⁸ = 340005299 is a prime.

It is an unprimeable number.

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 in 11 ways as a sum of consecutive naturals, for example, 3777795 + ... + 3777884.

It is an arithmetic number, because the mean of its divisors is an integer number (49111920).

Almost surely, 2^340005555 is an apocalyptic number.

340005555 is a deficient number, since it is larger than the sum of its proper divisors (249337485).

340005555 is a wasteful number, since it uses less digits than its factorization.

340005555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7555690 (or 7555687 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 340005555 is about 18439.2395450572. The cubic root of 340005555 is about 697.9570057781.

Adding to 340005555 its reverse (555500043), we get a palindrome (895505598).

The spelling of 340005555 in words is "three hundred forty million, five thousand, five hundred fifty-five".