4440081 has 16 divisors (see below), whose sum is σ = 6226560. Its totient is φ = 2808960.

The previous prime is 4440071. The next prime is 4440089. The reversal of 4440081 is 1800444.

It is not a de Polignac number, because 4440081 - 2⁵ = 4440049 is a prime.

It is a super-2 number, since 2×4440081² = 39428638573122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4440089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15661 + ... + 15941.

It is an arithmetic number, because the mean of its divisors is an integer number (389160).

Almost surely, 2^4440081 is an apocalyptic number.

It is an amenable number.

4440081 is a deficient number, since it is larger than the sum of its proper divisors (1786479).

4440081 is a wasteful number, since it uses less digits than its factorization.

4440081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4440081 is about 2107.1499709323. The cubic root of 4440081 is about 164.3603147738.

The spelling of 4440081 in words is "four million, four hundred forty thousand, eighty-one".