4395656988 has 36 divisors (see below), whose sum is σ = 11124852648. Its totient is φ = 1463424480.

The previous prime is 4395656981. The next prime is 4395657043. The reversal of 4395656988 is 8896565934.

4395656988 is a `hidden beast` number, since 4 + 3 + 9 + 565 + 69 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4395656981) 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 11 ways as a sum of consecutive naturals, for example, 44806 + ... + 103917.

Almost surely, 2^4395656988 is an apocalyptic number.

It is an amenable number.

4395656988 is an abundant number, since it is smaller than the sum of its proper divisors (6729195660).

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

4395656988 is a wasteful number, since it uses less digits than its factorization.

4395656988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149554 (or 149549 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 63.

The square root of 4395656988 is about 66299.7510402566. The cubic root of 4395656988 is about 1638.1032240047.

The spelling of 4395656988 in words is "four billion, three hundred ninety-five million, six hundred fifty-six thousand, nine hundred eighty-eight".