3664047680 has 28 divisors (see below), whose sum is σ = 8725014300. Its totient is φ = 1465618944.

The previous prime is 3664047649. The next prime is 3664047691. The reversal of 3664047680 is 867404663.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1137577984 + 2526469696 = 33728^2 + 50264^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5724755 + ... + 5725394.

Almost surely, 2^3664047680 is an apocalyptic number.

It is an amenable number.

3664047680 is an abundant number, since it is smaller than the sum of its proper divisors (5060966620).

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

3664047680 is a wasteful number, since it uses less digits than its factorization.

3664047680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11450166 (or 11450156 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 44.

The square root of 3664047680 is about 60531.3776482908. The cubic root of 3664047680 is about 1541.6544428087.

The spelling of 3664047680 in words is "three billion, six hundred sixty-four million, forty-seven thousand, six hundred eighty".