3644304402 has 16 divisors (see below), whose sum is σ = 7296268320. Its totient is φ = 1213491552.

The previous prime is 3644304383. The next prime is 3644304403. The reversal of 3644304402 is 2044034463.

3644304402 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3644304402.

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 7 ways as a sum of consecutive naturals, for example, 312952 + ... + 324387.

It is an arithmetic number, because the mean of its divisors is an integer number (456016770).

Almost surely, 2^3644304402 is an apocalyptic number.

3644304402 is an abundant number, since it is smaller than the sum of its proper divisors (3651963918).

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

3644304402 is a wasteful number, since it uses less digits than its factorization.

3644304402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638297.

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 3644304402 is about 60368.0743605426. The cubic root of 3644304402 is about 1538.8804481802.

Adding to 3644304402 its reverse (2044034463), we get a palindrome (5688338865).

The spelling of 3644304402 in words is "three billion, six hundred forty-four million, three hundred four thousand, four hundred two".