320485272306 has 16 divisors (see below), whose sum is σ = 640980514944. Its totient is φ = 106826762384.

The previous prime is 320485272277. The next prime is 320485272337. The reversal of 320485272306 is 603272584023.

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, 41020 + ... + 801656.

It is an arithmetic number, because the mean of its divisors is an integer number (40061282184).

Almost surely, 2^320485272306 is an apocalyptic number.

320485272306 is an abundant number, since it is smaller than the sum of its proper divisors (320495242638).

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

320485272306 is a wasteful number, since it uses less digits than its factorization.

320485272306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830865.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 320485272306 in words is "three hundred twenty billion, four hundred eighty-five million, two hundred seventy-two thousand, three hundred six".