3644304400 has 120 divisors (see below), whose sum is σ = 9590011200. Its totient is φ = 1319846400.

The previous prime is 3644304383. The next prime is 3644304403. The reversal of 3644304400 is 44034463.

It is not an unprimeable number, because it can be changed into a prime (3644304403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1182061 + ... + 1185139.

It is an arithmetic number, because the mean of its divisors is an integer number (79916760).

Almost surely, 2^3644304400 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 3644304400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4795005600).

3644304400 is an abundant number, since it is smaller than the sum of its proper divisors (5945706800).

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

3644304400 is a wasteful number, since it uses less digits than its factorization.

3644304400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3366 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 3644304400 is about 60368.0743439775. The cubic root of 3644304400 is about 1538.8804478987.

Adding to 3644304400 its reverse (44034463), we get a palindrome (3688338863).

The spelling of 3644304400 in words is "three billion, six hundred forty-four million, three hundred four thousand, four hundred".