340898907955 has 4 divisors (see below), whose sum is σ = 409078689552. Its totient is φ = 272719126360.

The previous prime is 340898907949. The next prime is 340898907959. The reversal of 340898907955 is 559709898043.

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

It is not a de Polignac number, because 340898907955 - 2³³ = 332308973363 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340898907959) 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, 34089890791 + ... + 34089890800.

It is an arithmetic number, because the mean of its divisors is an integer number (102269672388).

Almost surely, 2^340898907955 is an apocalyptic number.

340898907955 is a deficient number, since it is larger than the sum of its proper divisors (68179781597).

340898907955 is an equidigital number, since it uses as much as digits as its factorization.

340898907955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68179781596.

The product of its (nonzero) digits is 97977600, while the sum is 67.

The spelling of 340898907955 in words is "three hundred forty billion, eight hundred ninety-eight million, nine hundred seven thousand, nine hundred fifty-five".