320081352 has 64 divisors (see below), whose sum is σ = 831340800. Its totient is φ = 102574080.

The previous prime is 320081347. The next prime is 320081369. The reversal of 320081352 is 253180023.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187768 + ... + 189464.

It is an arithmetic number, because the mean of its divisors is an integer number (12989700).

Almost surely, 2^320081352 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 320081352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (415670400).

320081352 is an abundant number, since it is smaller than the sum of its proper divisors (511259448).

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

320081352 is a wasteful number, since it uses less digits than its factorization.

320081352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 320081352 is about 17890.8175330251. The cubic root of 320081352 is about 684.0483362442.

The spelling of 320081352 in words is "three hundred twenty million, eighty-one thousand, three hundred fifty-two".