4400006664 has 16 divisors (see below), whose sum is σ = 11000016720. Its totient is φ = 1466668880.

The previous prime is 4400006641. The next prime is 4400006683. The reversal of 4400006664 is 4666000044.

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, 91666782 + ... + 91666829.

It is an arithmetic number, because the mean of its divisors is an integer number (687501045).

Almost surely, 2^4400006664 is an apocalyptic number.

It is an amenable number.

4400006664 is an abundant number, since it is smaller than the sum of its proper divisors (6600010056).

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

4400006664 is a wasteful number, since it uses less digits than its factorization.

4400006664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183333620 (or 183333616 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

The square root of 4400006664 is about 66332.5460388790. The cubic root of 4400006664 is about 1638.6433684671.

The spelling of 4400006664 in words is "four billion, four hundred million, six thousand, six hundred sixty-four".