320830492320 has 1296 divisors, whose sum is σ = 1307368677888. Its totient is φ = 71403171840.

The previous prime is 320830492253. The next prime is 320830492321. The reversal of 320830492320 is 23294038023.

320830492320 is a `hidden beast` number, since 3 + 20 + 8 + 304 + 9 + 2 + 320 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (320830492321) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 7461174219 + ... + 7461174261.

It is an arithmetic number, because the mean of its divisors is an integer number (1008772128).

Almost surely, 2^320830492320 is an apocalyptic number.

320830492320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320830492320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (653684338944).

320830492320 is an abundant number, since it is smaller than the sum of its proper divisors (986538185568).

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

320830492320 is a wasteful number, since it uses less digits than its factorization.

320830492320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 320830492320 in words is "three hundred twenty billion, eight hundred thirty million, four hundred ninety-two thousand, three hundred twenty".