4403400421 has 8 divisors (see below), whose sum is σ = 5078627840. Its totient is φ = 3739715568.

The previous prime is 4403400413. The next prime is 4403400511. The reversal of 4403400421 is 1240043044.

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 4403400421 - 2³ = 4403400413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4403400392 and 4403400401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4403500421) 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 7 ways as a sum of consecutive naturals, for example, 2884821 + ... + 2886346.

It is an arithmetic number, because the mean of its divisors is an integer number (634828480).

Almost surely, 2^4403400421 is an apocalyptic number.

It is an amenable number.

4403400421 is a deficient number, since it is larger than the sum of its proper divisors (675227419).

4403400421 is a wasteful number, since it uses less digits than its factorization.

4403400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5771283.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4403400421 is about 66358.1224945372. The cubic root of 4403400421 is about 1639.0645593616.

Adding to 4403400421 its reverse (1240043044), we get a palindrome (5643443465).

The spelling of 4403400421 in words is "four billion, four hundred three million, four hundred thousand, four hundred twenty-one".