320622241408 has 128 divisors (see below), whose sum is σ = 754329755520. Its totient is φ = 132873302016.

The previous prime is 320622241403. The next prime is 320622241439. The reversal of 320622241408 is 804142226023.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (320622241403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5374110 + ... + 5433442.

It is an arithmetic number, because the mean of its divisors is an integer number (5893201215).

Almost surely, 2^320622241408 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 320622241408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377164877760).

320622241408 is an abundant number, since it is smaller than the sum of its proper divisors (433707514112).

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

320622241408 is a wasteful number, since it uses less digits than its factorization.

320622241408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59554 (or 59542 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 320622241408 in words is "three hundred twenty billion, six hundred twenty-two million, two hundred forty-one thousand, four hundred eight".