4400001608 has 64 divisors (see below), whose sum is σ = 9210672000. Its totient is φ = 1958280192.

The previous prime is 4400001601. The next prime is 4400001629. The reversal of 4400001608 is 8061000044.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4400001601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2125598 + ... + 2127666.

It is an arithmetic number, because the mean of its divisors is an integer number (143916750).

Almost surely, 2^4400001608 is an apocalyptic number.

It is an amenable number.

4400001608 is an abundant number, since it is smaller than the sum of its proper divisors (4810670392).

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

4400001608 is a wasteful number, since it uses less digits than its factorization.

4400001608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934 (or 2930 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 4400001608 is about 66332.5079278629. The cubic root of 4400001608 is about 1638.6427408177.

The spelling of 4400001608 in words is "four billion, four hundred million, one thousand, six hundred eight".