3664444988 has 24 divisors (see below), whose sum is σ = 6653665200. Its totient is φ = 1763774208.

The previous prime is 3664444981. The next prime is 3664444991. The reversal of 3664444988 is 8894444663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3664444981) 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, 7778 + ... + 85961.

It is an arithmetic number, because the mean of its divisors is an integer number (277236050).

Almost surely, 2^3664444988 is an apocalyptic number.

It is an amenable number.

3664444988 is a deficient number, since it is larger than the sum of its proper divisors (2989220212).

3664444988 is a wasteful number, since it uses less digits than its factorization.

3664444988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94109 (or 94107 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 56.

The square root of 3664444988 is about 60534.6593944329. The cubic root of 3664444988 is about 1541.7101634724.

The spelling of 3664444988 in words is "three billion, six hundred sixty-four million, four hundred forty-four thousand, nine hundred eighty-eight".