4256871424 has 88 divisors (see below), whose sum is σ = 9269716680. Its totient is φ = 1942093824.

The previous prime is 4256871419. The next prime is 4256871431. The reversal of 4256871424 is 4241786524.

4256871424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16257024 + 4240614400 = 4032^2 + 65120^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

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, 1182972 + ... + 1186564.

Almost surely, 2^4256871424 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 4256871424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4634858340).

4256871424 is an abundant number, since it is smaller than the sum of its proper divisors (5012845256).

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

4256871424 is a wasteful number, since it uses less digits than its factorization.

4256871424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3715 (or 3697 counting only the distinct ones).

The product of its digits is 430080, while the sum is 43.

The square root of 4256871424 is about 65244.7041835581. The cubic root of 4256871424 is about 1620.6784010288.

Adding to 4256871424 its product of digits (430080), we get a square (4257301504 = 65248²).

The spelling of 4256871424 in words is "four billion, two hundred fifty-six million, eight hundred seventy-one thousand, four hundred twenty-four".