4395967872 has 64 divisors (see below), whose sum is σ = 11720473200. Its totient is φ = 1459841024.

The previous prime is 4395967861. The next prime is 4395967907. The reversal of 4395967872 is 2787695934.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82018 + ... + 124574.

Almost surely, 2^4395967872 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 4395967872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5860236600).

4395967872 is an abundant number, since it is smaller than the sum of its proper divisors (7324505328).

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

4395967872 is a wasteful number, since it uses less digits than its factorization.

4395967872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42843 (or 42831 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 60.

The square root of 4395967872 is about 66302.0955324943. The cubic root of 4395967872 is about 1638.1418415218.

The spelling of 4395967872 in words is "four billion, three hundred ninety-five million, nine hundred sixty-seven thousand, eight hundred seventy-two".