340284020889 has 4 divisors (see below), whose sum is σ = 453712027856. Its totient is φ = 226856013924.

The previous prime is 340284020827. The next prime is 340284020893. The reversal of 340284020889 is 988020482043.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 340284020889 - 2⁷ = 340284020761 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (340284020899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56714003479 + ... + 56714003484.

It is an arithmetic number, because the mean of its divisors is an integer number (113428006964).

Almost surely, 2^340284020889 is an apocalyptic number.

It is an amenable number.

340284020889 is a deficient number, since it is larger than the sum of its proper divisors (113428006967).

340284020889 is a wasteful number, since it uses less digits than its factorization.

340284020889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113428006966.

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 340284020889 in words is "three hundred forty billion, two hundred eighty-four million, twenty thousand, eight hundred eighty-nine".