320299970328 has 64 divisors (see below), whose sum is σ = 958162312800. Its totient is φ = 98553836160.

The previous prime is 320299970323. The next prime is 320299970329. The reversal of 320299970328 is 823079992023.

It is a happy number.

320299970328 is a `hidden beast` number, since 3 + 20 + 299 + 9 + 7 + 0 + 328 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320299970323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57030663 + ... + 57036278.

Almost surely, 2^320299970328 is an apocalyptic number.

It is an amenable number.

320299970328 is an abundant number, since it is smaller than the sum of its proper divisors (637862342472).

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

320299970328 is a wasteful number, since it uses less digits than its factorization.

320299970328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114066969 (or 114066959 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 320299970328 in words is "three hundred twenty billion, two hundred ninety-nine million, nine hundred seventy thousand, three hundred twenty-eight".