320256836016 has 60 divisors (see below), whose sum is σ = 895866408648. Its totient is φ = 98540562432.

The previous prime is 320256835999. The next prime is 320256836027. The reversal of 320256836016 is 610638652023.

It is a super-2 number, since 2×320256836016² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19731585 + ... + 19747808.

Almost surely, 2^320256836016 is an apocalyptic number.

It is an amenable number.

320256836016 is an abundant number, since it is smaller than the sum of its proper divisors (575609572632).

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

320256836016 is a wasteful number, since it uses less digits than its factorization.

320256836016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39479430 (or 39479411 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 320256836016 in words is "three hundred twenty billion, two hundred fifty-six million, eight hundred thirty-six thousand, sixteen".