4056411881 has 4 divisors (see below), whose sum is σ = 4074125700. Its totient is φ = 4038698064.

The previous prime is 4056411857. The next prime is 4056411889. The reversal of 4056411881 is 1881146504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2764656400 + 1291755481 = 52580^2 + 35941^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4056411881 is a prime.

It is a super-2 number, since 2×4056411881² = 32908954696635916322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4056411889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8856566 + ... + 8857023.

It is an arithmetic number, because the mean of its divisors is an integer number (1018531425).

Almost surely, 2^4056411881 is an apocalyptic number.

It is an amenable number.

4056411881 is a deficient number, since it is larger than the sum of its proper divisors (17713819).

4056411881 is a wasteful number, since it uses less digits than its factorization.

4056411881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17713818.

The product of its (nonzero) digits is 30720, while the sum is 38.

The square root of 4056411881 is about 63689.9668786223. The cubic root of 4056411881 is about 1594.8286004045.

The spelling of 4056411881 in words is "four billion, fifty-six million, four hundred eleven thousand, eight hundred eighty-one".