6436328328 has 24 divisors (see below), whose sum is σ = 17431722750. Its totient is φ = 2145442752.

The previous prime is 6436328293. The next prime is 6436328347. The reversal of 6436328328 is 8238236346.

6436328328 is a `hidden beast` number, since 6 + 4 + 3 + 632 + 8 + 3 + 2 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5015189124 + 1421139204 = 70818^2 + 37698^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44696653 + ... + 44696796.

Almost surely, 2^6436328328 is an apocalyptic number.

It is an amenable number.

6436328328 is an abundant number, since it is smaller than the sum of its proper divisors (10995394422).

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

6436328328 is a wasteful number, since it uses less digits than its factorization.

6436328328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89393461 (or 89393454 counting only the distinct ones).

The product of its digits is 995328, while the sum is 45.

The square root of 6436328328 is about 80226.7307572732. The cubic root of 6436328328 is about 1860.1418483565.

The spelling of 6436328328 in words is "six billion, four hundred thirty-six million, three hundred twenty-eight thousand, three hundred twenty-eight".