340555555555555 has 4 divisors (see below), whose sum is σ = 408666666666672. Its totient is φ = 272444444444440.

The previous prime is 340555555555519. The next prime is 340555555555559. The reversal of 340555555555555 is 555555555555043.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 340555555555555 - 2⁷ = 340555555555427 is a prime.

It is a Duffinian number.

340555555555555 is a modest number, since divided by 55555555 gives 3405555 as remainder.

It is not an unprimeable number, because it can be changed into a prime (340555555555559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34055555555551 + ... + 34055555555560.

It is an arithmetic number, because the mean of its divisors is an integer number (102166666666668).

Almost surely, 2^{340555555555555} is an apocalyptic number.

340555555555555 is a deficient number, since it is larger than the sum of its proper divisors (68111111111117).

340555555555555 is an equidigital number, since it uses as much as digits as its factorization.

340555555555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68111111111116.

The product of its (nonzero) digits is 2929687500, while the sum is 67.

The spelling of 340555555555555 in words is "three hundred forty trillion, five hundred fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred fifty-five".