4427365664 has 48 divisors (see below), whose sum is σ = 8875772640. Its totient is φ = 2173301760.

The previous prime is 4427365639. The next prime is 4427365667. The reversal of 4427365664 is 4665637244.

It is not an unprimeable number, because it can be changed into a prime (4427365667) 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, 2568707 + ... + 2570429.

It is an arithmetic number, because the mean of its divisors is an integer number (184911930).

Almost surely, 2^4427365664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4427365664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4437886320).

4427365664 is an abundant number, since it is smaller than the sum of its proper divisors (4448406976).

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

4427365664 is a wasteful number, since it uses less digits than its factorization.

4427365664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3145 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 47.

The square root of 4427365664 is about 66538.4525218313. The cubic root of 4427365664 is about 1642.0326847993.

The spelling of 4427365664 in words is "four billion, four hundred twenty-seven million, three hundred sixty-five thousand, six hundred sixty-four".