3216354534432 has 240 divisors, whose sum is σ = 10277002030680. Its totient is φ = 980888444928.

The previous prime is 3216354534331. The next prime is 3216354534443. The reversal of 3216354534432 is 2344354536123.

3216354534432 is a `hidden beast` number, since 3 + 2 + 1 + 63 + 54 + 534 + 4 + 3 + 2 = 666.

3216354534432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 745811868816 + 2470542665616 = 863604^2 + 1571796^2 .

It is a super-2 number, since 2×3216354534432² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 3385294 + ... + 4230002.

Almost surely, 2^{3216354534432} is an apocalyptic number.

3216354534432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3216354534432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5138501015340).

3216354534432 is an abundant number, since it is smaller than the sum of its proper divisors (7060647496248).

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

3216354534432 is a wasteful number, since it uses less digits than its factorization.

3216354534432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844857 (or 844840 counting only the distinct ones).

The product of its digits is 3110400, while the sum is 45.

The spelling of 3216354534432 in words is "three trillion, two hundred sixteen billion, three hundred fifty-four million, five hundred thirty-four thousand, four hundred thirty-two".