4048448081 has 4 divisors (see below), whose sum is σ = 4057841664. Its totient is φ = 4039054500.

The previous prime is 4048448077. The next prime is 4048448083. The reversal of 4048448081 is 1808448404.

4048448081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 4048448081 - 2² = 4048448077 is a prime.

It is a super-5 number, since 5×4048448081⁵ (a number of 49 digits) contains 55555 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4048448083) 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, 4696145 + ... + 4697006.

It is an arithmetic number, because the mean of its divisors is an integer number (1014460416).

Almost surely, 2^4048448081 is an apocalyptic number.

It is an amenable number.

4048448081 is a deficient number, since it is larger than the sum of its proper divisors (9393583).

4048448081 is an equidigital number, since it uses as much as digits as its factorization.

4048448081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9393582.

The product of its (nonzero) digits is 131072, while the sum is 41.

The square root of 4048448081 is about 63627.4161112959. The cubic root of 4048448081 is about 1593.7842277596.

The spelling of 4048448081 in words is "four billion, forty-eight million, four hundred forty-eight thousand, eighty-one".