4095489856 has 84 divisors (see below), whose sum is σ = 8893852164. Its totient is φ = 1864642560.

The previous prime is 4095489851. The next prime is 4095489869. The reversal of 4095489856 is 6589845904.

It can be written as a sum of positive squares in 2 ways, for example, as 3253561600 + 841928256 = 57040^2 + 29016^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4095489856.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4095489851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1043610 + ... + 1047526.

Almost surely, 2^4095489856 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 4095489856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4446926082).

4095489856 is an abundant number, since it is smaller than the sum of its proper divisors (4798362308).

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

4095489856 is a wasteful number, since it uses less digits than its factorization.

4095489856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008 (or 3967 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 58.

The square root of 4095489856 is about 63996.0143758969. The cubic root of 4095489856 is about 1599.9335722421.

The spelling of 4095489856 in words is "four billion, ninety-five million, four hundred eighty-nine thousand, eight hundred fifty-six".