4440124081 has 2 divisors, whose sum is σ = 4440124082. Its totient is φ = 4440124080.

The previous prime is 4440124049. The next prime is 4440124099. The reversal of 4440124081 is 1804210444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2624000625 + 1816123456 = 51225^2 + 42616^2 .

It is a cyclic number.

It is not a de Polignac number, because 4440124081 - 2⁵ = 4440124049 is a prime.

It is a super-2 number, since 2×4440124081² = 39429403709352189122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4440124781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2220062040 + 2220062041.

It is an arithmetic number, because the mean of its divisors is an integer number (2220062041).

Almost surely, 2^4440124081 is an apocalyptic number.

It is an amenable number.

4440124081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4440124081 is an equidigital number, since it uses as much as digits as its factorization.

4440124081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 4440124081 is about 66634.2560624789. The cubic root of 4440124081 is about 1643.6084635447.

The spelling of 4440124081 in words is "four billion, four hundred forty million, one hundred twenty-four thousand, eighty-one".