3249736128 has 84 divisors (see below), whose sum is σ = 9490621608. Its totient is φ = 1062796800.

The previous prime is 3249736103. The next prime is 3249736129. The reversal of 3249736128 is 8216379423.

3249736128 is a `hidden beast` number, since 3 + 2 + 497 + 36 + 128 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3249736129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22698 + ... + 83753.

Almost surely, 2^3249736128 is an apocalyptic number.

It is an amenable number.

3249736128 is an abundant number, since it is smaller than the sum of its proper divisors (6240885480).

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

3249736128 is a wasteful number, since it uses less digits than its factorization.

3249736128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106522 (or 106509 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 3249736128 is about 57006.4568974428. The cubic root of 3249736128 is about 1481.2079449257.

The spelling of 3249736128 in words is "three billion, two hundred forty-nine million, seven hundred thirty-six thousand, one hundred twenty-eight".