3645826324 has 144 divisors (see below), whose sum is σ = 8516229120. Its totient is φ = 1331320320.

The previous prime is 3645826319. The next prime is 3645826361. The reversal of 3645826324 is 4236285463.

It is a happy number.

3645826324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3535689 + ... + 3536719.

It is an arithmetic number, because the mean of its divisors is an integer number (59140480).

Almost surely, 2^3645826324 is an apocalyptic number.

3645826324 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3645826324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4258114560).

3645826324 is an abundant number, since it is smaller than the sum of its proper divisors (4870402796).

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

3645826324 is a wasteful number, since it uses less digits than its factorization.

3645826324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1099 counting only the distinct ones).

The product of its digits is 829440, while the sum is 43.

The square root of 3645826324 is about 60380.6783996338. The cubic root of 3645826324 is about 1539.0946390380.

The spelling of 3645826324 in words is "three billion, six hundred forty-five million, eight hundred twenty-six thousand, three hundred twenty-four".