3561728324 has 48 divisors (see below), whose sum is σ = 7786254336. Its totient is φ = 1384970400.

The previous prime is 3561728323. The next prime is 3561728369. The reversal of 3561728324 is 4238271653.

It is not an unprimeable number, because it can be changed into a prime (3561728323) 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, 150029 + ... + 172139.

It is an arithmetic number, because the mean of its divisors is an integer number (162213632).

Almost surely, 2^3561728324 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 3561728324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3893127168).

3561728324 is an abundant number, since it is smaller than the sum of its proper divisors (4224526012).

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

3561728324 is a wasteful number, since it uses less digits than its factorization.

3561728324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22656 (or 22654 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 3561728324 is about 59680.2171912938. The cubic root of 3561728324 is about 1527.1684030863.

Adding to 3561728324 its reverse (4238271653), we get a palindrome (7799999977).

The spelling of 3561728324 in words is "three billion, five hundred sixty-one million, seven hundred twenty-eight thousand, three hundred twenty-four".