320609429466 has 8 divisors (see below), whose sum is σ = 641218858944. Its totient is φ = 106869809820.

The previous prime is 320609429447. The next prime is 320609429471. The reversal of 320609429466 is 664924906023.

It is a happy number.

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

320609429466 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26717452450 + ... + 26717452461.

It is an arithmetic number, because the mean of its divisors is an integer number (80152357368).

Almost surely, 2^320609429466 is an apocalyptic number.

320609429466 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320609429466 is a wasteful number, since it uses less digits than its factorization.

320609429466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53434904916.

The product of its (nonzero) digits is 3359232, while the sum is 51.

The spelling of 320609429466 in words is "three hundred twenty billion, six hundred nine million, four hundred twenty-nine thousand, four hundred sixty-six".