320868377280 has 168 divisors, whose sum is σ = 1203985779984. Its totient is φ = 77786265600.

The previous prime is 320868377233. The next prime is 320868377371. The reversal of 320868377280 is 82773868023.

320868377280 is a `hidden beast` number, since 3 + 208 + 68 + 377 + 2 + 8 + 0 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5032531 + ... + 5095890.

Almost surely, 2^320868377280 is an apocalyptic number.

320868377280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320868377280 is an abundant number, since it is smaller than the sum of its proper divisors (883117402704).

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

320868377280 is a wasteful number, since it uses less digits than its factorization.

320868377280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10128455 (or 10128442 counting only the distinct ones).

The product of its (nonzero) digits is 5419008, while the sum is 54.

The spelling of 320868377280 in words is "three hundred twenty billion, eight hundred sixty-eight million, three hundred seventy-seven thousand, two hundred eighty".