4404100133421 has 24 divisors (see below), whose sum is σ = 6398629866720. Its totient is φ = 2918962980000.

The previous prime is 4404100133401. The next prime is 4404100133483. The reversal of 4404100133421 is 1243310014044.

4404100133421 is a `hidden beast` number, since 4 + 4 + 0 + 4 + 100 + 133 + 421 = 666.

It is not a de Polignac number, because 4404100133421 - 2¹⁴ = 4404100117037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4404100133401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 579711 + ... + 3023948.

It is an arithmetic number, because the mean of its divisors is an integer number (266609577780).

Almost surely, 2^{4404100133421} is an apocalyptic number.

It is an amenable number.

4404100133421 is a deficient number, since it is larger than the sum of its proper divisors (1994529733299).

4404100133421 is a wasteful number, since it uses less digits than its factorization.

4404100133421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604457 (or 3604454 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 4404100133421 its reverse (1243310014044), we get a palindrome (5647410147465).

The spelling of 4404100133421 in words is "four trillion, four hundred four billion, one hundred million, one hundred thirty-three thousand, four hundred twenty-one".