4491536196 has 72 divisors (see below), whose sum is σ = 12224593920. Its totient is φ = 1279793088.

The previous prime is 4491536191. The next prime is 4491536213. The reversal of 4491536196 is 6916351944.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4491536191) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 209085 + ... + 229563.

Almost surely, 2^4491536196 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 4491536196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6112296960).

4491536196 is an abundant number, since it is smaller than the sum of its proper divisors (7733057724).

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

4491536196 is a wasteful number, since it uses less digits than its factorization.

4491536196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20873 (or 20864 counting only the distinct ones).

The product of its digits is 699840, while the sum is 48.

The square root of 4491536196 is about 67018.9241632541. The cubic root of 4491536196 is about 1649.9279057573.

The spelling of 4491536196 in words is "four billion, four hundred ninety-one million, five hundred thirty-six thousand, one hundred ninety-six".