320256836044 has 12 divisors (see below), whose sum is σ = 560477064168. Its totient is φ = 160120532000.

The previous prime is 320256836027. The next prime is 320256836129. The reversal of 320256836044 is 440638652023.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1879657 + ... + 2042944.

It is an arithmetic number, because the mean of its divisors is an integer number (46706422014).

Almost surely, 2^320256836044 is an apocalyptic number.

It is an amenable number.

320256836044 is a deficient number, since it is larger than the sum of its proper divisors (240220228124).

320256836044 is a wasteful number, since it uses less digits than its factorization.

320256836044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3943016 (or 3943014 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 320256836044 in words is "three hundred twenty billion, two hundred fifty-six million, eight hundred thirty-six thousand, forty-four".