4080081841 has 4 divisors (see below), whose sum is σ = 4450998384. Its totient is φ = 3709165300.

The previous prime is 4080081743. The next prime is 4080081877. The reversal of 4080081841 is 1481800804.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4080081841 - 2¹⁹ = 4079557553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4080081797 and 4080081806.

It is not an unprimeable number, because it can be changed into a prime (4080081541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 185458255 + ... + 185458276.

It is an arithmetic number, because the mean of its divisors is an integer number (1112749596).

Almost surely, 2^4080081841 is an apocalyptic number.

It is an amenable number.

4080081841 is a deficient number, since it is larger than the sum of its proper divisors (370916543).

4080081841 is a wasteful number, since it uses less digits than its factorization.

4080081841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370916542.

The product of its (nonzero) digits is 8192, while the sum is 34.

The square root of 4080081841 is about 63875.5183227502. The cubic root of 4080081841 is about 1597.9246322412.

The spelling of 4080081841 in words is "four billion, eighty million, eighty-one thousand, eight hundred forty-one".