320155294712 has 64 divisors (see below), whose sum is σ = 676171929600. Its totient is φ = 140792400000.

The previous prime is 320155294631. The next prime is 320155294759. The reversal of 320155294712 is 217492551023.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 320155294712.

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, 11522837 + ... + 11550587.

It is an arithmetic number, because the mean of its divisors is an integer number (10565186400).

Almost surely, 2^320155294712 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 320155294712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338085964800).

320155294712 is an abundant number, since it is smaller than the sum of its proper divisors (356016634888).

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

320155294712 is a wasteful number, since it uses less digits than its factorization.

320155294712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32028 (or 32024 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The spelling of 320155294712 in words is "three hundred twenty billion, one hundred fifty-five million, two hundred ninety-four thousand, seven hundred twelve".