3663444560 has 40 divisors (see below), whose sum is σ = 8569793760. Its totient is φ = 1456382592.

The previous prime is 3663444553. The next prime is 3663444571. The reversal of 3663444560 is 654443663.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127430 + ... + 153509.

It is an arithmetic number, because the mean of its divisors is an integer number (214244844).

Almost surely, 2^3663444560 is an apocalyptic number.

It is an amenable number.

3663444560 is an abundant number, since it is smaller than the sum of its proper divisors (4906349200).

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

3663444560 is a wasteful number, since it uses less digits than its factorization.

3663444560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281115 (or 281109 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

The square root of 3663444560 is about 60526.3955642495. The cubic root of 3663444560 is about 1541.5698502369.

The spelling of 3663444560 in words is "three billion, six hundred sixty-three million, four hundred forty-four thousand, five hundred sixty".