320562562046064 has 320 divisors, whose sum is σ = 918999878160000. Its totient is φ = 95647039488000.

The previous prime is 320562562046053. The next prime is 320562562046099. The reversal of 320562562046064 is 460640265265023.

It is a junction number, because it is equal to n+sod(n) for n = 320562562045998 and 320562562046016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11448240064 + ... + 11448268064.

It is an arithmetic number, because the mean of its divisors is an integer number (2871874619250).

Almost surely, 2^{320562562046064} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320562562046064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459499939080000).

320562562046064 is an abundant number, since it is smaller than the sum of its proper divisors (598437316113936).

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

320562562046064 is a wasteful number, since it uses less digits than its factorization.

320562562046064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29708 (or 29702 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 51.

The spelling of 320562562046064 in words is "three hundred twenty trillion, five hundred sixty-two billion, five hundred sixty-two million, forty-six thousand, sixty-four".