320716285032 has 128 divisors (see below), whose sum is σ = 942303600000. Its totient is φ = 89678499840.

The previous prime is 320716285031. The next prime is 320716285081. The reversal of 320716285032 is 230582617023.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (320716285031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10448844 + ... + 10479492.

It is an arithmetic number, because the mean of its divisors is an integer number (7361746875).

Almost surely, 2^320716285032 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 320716285032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (471151800000).

320716285032 is an abundant number, since it is smaller than the sum of its proper divisors (621587314968).

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

320716285032 is a wasteful number, since it uses less digits than its factorization.

320716285032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33731 (or 33727 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 320716285032 in words is "three hundred twenty billion, seven hundred sixteen million, two hundred eighty-five thousand, thirty-two".