340220334505 has 8 divisors (see below), whose sum is σ = 429752001600. Its totient is φ = 257851200816.

The previous prime is 340220334497. The next prime is 340220334523. The reversal of 340220334505 is 505433022043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 340220334505 - 2³ = 340220334497 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1790633245 + ... + 1790633434.

It is an arithmetic number, because the mean of its divisors is an integer number (53719000200).

Almost surely, 2^340220334505 is an apocalyptic number.

It is an amenable number.

340220334505 is a deficient number, since it is larger than the sum of its proper divisors (89531667095).

340220334505 is a wasteful number, since it uses less digits than its factorization.

340220334505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3581266703.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 340220334505 its reverse (505433022043), we get a palindrome (845653356548).

The spelling of 340220334505 in words is "three hundred forty billion, two hundred twenty million, three hundred thirty-four thousand, five hundred five".