320240771116 has 72 divisors (see below), whose sum is σ = 663624734976. Its totient is φ = 132432185760.

The previous prime is 320240771107. The next prime is 320240771129. The reversal of 320240771116 is 611177042023.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4355031 + ... + 4427953.

It is an arithmetic number, because the mean of its divisors is an integer number (9217010208).

Almost surely, 2^320240771116 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 320240771116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (331812367488).

320240771116 is an abundant number, since it is smaller than the sum of its proper divisors (343383963860).

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

320240771116 is a wasteful number, since it uses less digits than its factorization.

320240771116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73099 (or 73050 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The spelling of 320240771116 in words is "three hundred twenty billion, two hundred forty million, seven hundred seventy-one thousand, one hundred sixteen".