320327489363712 has 144 divisors (see below), whose sum is σ = 865565549154432. Its totient is φ = 105145348239360.

The previous prime is 320327489363663. The next prime is 320327489363737. The reversal of 320327489363712 is 217363984723023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146127663 + ... + 148303569.

It is an arithmetic number, because the mean of its divisors is an integer number (6010871869128).

Almost surely, 2^{320327489363712} is an apocalyptic number.

320327489363712 is a gapful number since it is divisible by the number (32) 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 320327489363712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432782774577216).

320327489363712 is an abundant number, since it is smaller than the sum of its proper divisors (545238059790720).

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

320327489363712 is a wasteful number, since it uses less digits than its factorization.

320327489363712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2178854 (or 2178840 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 60.

The spelling of 320327489363712 in words is "three hundred twenty trillion, three hundred twenty-seven billion, four hundred eighty-nine million, three hundred sixty-three thousand, seven hundred twelve".