320464643622 has 16 divisors (see below), whose sum is σ = 640939210560. Its totient is φ = 106819893992.

The previous prime is 320464643573. The next prime is 320464643627. The reversal of 320464643622 is 226346464023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320464643627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45553 + ... + 801875.

It is an arithmetic number, because the mean of its divisors is an integer number (40058700660).

Almost surely, 2^320464643622 is an apocalyptic number.

320464643622 is an abundant number, since it is smaller than the sum of its proper divisors (320474566938).

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

320464643622 is a wasteful number, since it uses less digits than its factorization.

320464643622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826947.

The product of its (nonzero) digits is 995328, while the sum is 42.

The spelling of 320464643622 in words is "three hundred twenty billion, four hundred sixty-four million, six hundred forty-three thousand, six hundred twenty-two".