340140220555 has 4 divisors (see below), whose sum is σ = 408168264672. Its totient is φ = 272112176440.

The previous prime is 340140220517. The next prime is 340140220561. The reversal of 340140220555 is 555022041043.

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

It is not a de Polignac number, because 340140220555 - 2¹⁵ = 340140187787 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34014022051 + ... + 34014022060.

It is an arithmetic number, because the mean of its divisors is an integer number (102042066168).

Almost surely, 2^340140220555 is an apocalyptic number.

340140220555 is a deficient number, since it is larger than the sum of its proper divisors (68028044117).

340140220555 is an equidigital number, since it uses as much as digits as its factorization.

340140220555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68028044116.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 340140220555 its reverse (555022041043), we get a palindrome (895162261598).

The spelling of 340140220555 in words is "three hundred forty billion, one hundred forty million, two hundred twenty thousand, five hundred fifty-five".