320542277035064 has 256 divisors, whose sum is σ = 719026274304000. Its totient is φ = 131082577758720.

The previous prime is 320542277035039. The next prime is 320542277035109. The reversal of 320542277035064 is 460530772245023.

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, 45512175527 + ... + 45512182569.

It is an arithmetic number, because the mean of its divisors is an integer number (2808696384000).

Almost surely, 2^{320542277035064} 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 320542277035064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359513137152000).

320542277035064 is an abundant number, since it is smaller than the sum of its proper divisors (398483997268936).

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

320542277035064 is a wasteful number, since it uses less digits than its factorization.

320542277035064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8258 (or 8254 counting only the distinct ones).

The product of its (nonzero) digits is 8467200, while the sum is 50.

The spelling of 320542277035064 in words is "three hundred twenty trillion, five hundred forty-two billion, two hundred seventy-seven million, thirty-five thousand, sixty-four".