320197490080 has 192 divisors, whose sum is σ = 839560474368. Its totient is φ = 114647408640.

The previous prime is 320197490057. The next prime is 320197490087. The reversal of 320197490080 is 80094791023.

It is not an unprimeable number, because it can be changed into a prime (320197490087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14230519 + ... + 14253001.

It is an arithmetic number, because the mean of its divisors is an integer number (4372710804).

Almost surely, 2^320197490080 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 320197490080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (419780237184).

320197490080 is an abundant number, since it is smaller than the sum of its proper divisors (519362984288).

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

320197490080 is a wasteful number, since it uses less digits than its factorization.

320197490080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22719 (or 22711 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The spelling of 320197490080 in words is "three hundred twenty billion, one hundred ninety-seven million, four hundred ninety thousand, eighty".