3218108432 has 160 divisors (see below), whose sum is σ = 8665159680. Its totient is φ = 1117808640.

The previous prime is 3218108417. The next prime is 3218108437. The reversal of 3218108432 is 2348018123.

It is not an unprimeable number, because it can be changed into a prime (3218108437) 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, 393893 + ... + 401979.

It is an arithmetic number, because the mean of its divisors is an integer number (54157248).

Almost surely, 2^3218108432 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 3218108432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4332579840).

3218108432 is an abundant number, since it is smaller than the sum of its proper divisors (5447051248).

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

3218108432 is a wasteful number, since it uses less digits than its factorization.

3218108432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8149 (or 8143 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 3218108432 is about 56728.3741349953. The cubic root of 3218108432 is about 1476.3870406825.

The spelling of 3218108432 in words is "three billion, two hundred eighteen million, one hundred eight thousand, four hundred thirty-two".