3643472416 has 48 divisors (see below), whose sum is σ = 7383277440. Its totient is φ = 1769114880.

The previous prime is 3643472407. The next prime is 3643472479. The reversal of 3643472416 is 6142743463.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142395 + ... + 166021.

It is an arithmetic number, because the mean of its divisors is an integer number (153818280).

Almost surely, 2^3643472416 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 3643472416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3691638720).

3643472416 is an abundant number, since it is smaller than the sum of its proper divisors (3739805024).

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

3643472416 is a wasteful number, since it uses less digits than its factorization.

3643472416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23777 (or 23769 counting only the distinct ones).

The product of its digits is 290304, while the sum is 40.

The square root of 3643472416 is about 60361.1830235293. The cubic root of 3643472416 is about 1538.7633316890.

The spelling of 3643472416 in words is "three billion, six hundred forty-three million, four hundred seventy-two thousand, four hundred sixteen".