3252638816 has 96 divisors (see below), whose sum is σ = 7580966400. Its totient is φ = 1372871808.

The previous prime is 3252638813. The next prime is 3252638833. The reversal of 3252638816 is 6188362523.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3252638813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733181 + ... + 737603.

It is an arithmetic number, because the mean of its divisors is an integer number (78968400).

Almost surely, 2^3252638816 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 3252638816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3790483200).

3252638816 is an abundant number, since it is smaller than the sum of its proper divisors (4328327584).

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

3252638816 is an equidigital number, since it uses as much as digits as its factorization.

3252638816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4521 (or 4499 counting only the distinct ones).

The product of its digits is 414720, while the sum is 44.

The square root of 3252638816 is about 57031.9105063122. The cubic root of 3252638816 is about 1481.6488222650.

The spelling of 3252638816 in words is "three billion, two hundred fifty-two million, six hundred thirty-eight thousand, eight hundred sixteen".