4120404423444 has 72 divisors (see below), whose sum is σ = 10778532430848. Its totient is φ = 1325814557760.

The previous prime is 4120404423427. The next prime is 4120404423451. The reversal of 4120404423444 is 4443244040214.

It is a happy number.

4120404423444 is a `hidden beast` number, since 4 + 1 + 204 + 0 + 4 + 4 + 2 + 3 + 444 = 666.

It is a super-2 number, since 2×4120404423444² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4120404423399 and 4120404423408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4206972 + ... + 5093075.

Almost surely, 2^{4120404423444} is an apocalyptic number.

It is an amenable number.

4120404423444 is an abundant number, since it is smaller than the sum of its proper divisors (6658128007404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4120404423444 is a wasteful number, since it uses less digits than its factorization.

4120404423444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9300485 (or 9300480 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 36.

Adding to 4120404423444 its reverse (4443244040214), we get a palindrome (8563648463658).

The spelling of 4120404423444 in words is "four trillion, one hundred twenty billion, four hundred four million, four hundred twenty-three thousand, four hundred forty-four".