3220235115340 has 72 divisors (see below), whose sum is σ = 7196454053712. Its totient is φ = 1210169256960.

The previous prime is 3220235115313. The next prime is 3220235115341. The reversal of 3220235115340 is 435115320223.

It is not an unprimeable number, because it can be changed into a prime (3220235115341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2759350 + ... + 3748930.

It is an arithmetic number, because the mean of its divisors is an integer number (99950750746).

Almost surely, 2^{3220235115340} 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 3220235115340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3598227026856).

3220235115340 is an abundant number, since it is smaller than the sum of its proper divisors (3976218938372).

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

3220235115340 is a wasteful number, since it uses less digits than its factorization.

3220235115340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990187 (or 990168 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 3220235115340 in words is "three trillion, two hundred twenty billion, two hundred thirty-five million, one hundred fifteen thousand, three hundred forty".