4401112421 has 8 divisors (see below), whose sum is σ = 4530385944. Its totient is φ = 4273551360.

The previous prime is 4401112369. The next prime is 4401112423. The reversal of 4401112421 is 1242111044.

It can be written as a sum of positive squares in 4 ways, for example, as 459030625 + 3942081796 = 21425^2 + 62786^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4401112421 - 2¹⁸ = 4400850277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4401112393 and 4401112402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4401112423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 422900 + ... + 433181.

It is an arithmetic number, because the mean of its divisors is an integer number (566298243).

Almost surely, 2^4401112421 is an apocalyptic number.

It is an amenable number.

4401112421 is a deficient number, since it is larger than the sum of its proper divisors (129273523).

4401112421 is an equidigital number, since it uses as much as digits as its factorization.

4401112421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856231.

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 4401112421 is about 66340.8804659691. The cubic root of 4401112421 is about 1638.7806250479.

Adding to 4401112421 its reverse (1242111044), we get a palindrome (5643223465).

The spelling of 4401112421 in words is "four billion, four hundred one million, one hundred twelve thousand, four hundred twenty-one".