4400406424 has 16 divisors (see below), whose sum is σ = 8255431800. Its totient is φ = 2198957952.

The previous prime is 4400406389. The next prime is 4400406427. The reversal of 4400406424 is 4246040044.

It is a junction number, because it is equal to n+sod(n) for n = 4400406392 and 4400406401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4400406427) 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, 140554 + ... + 168985.

Almost surely, 2^4400406424 is an apocalyptic number.

It is an amenable number.

4400406424 is a deficient number, since it is larger than the sum of its proper divisors (3855025376).

4400406424 is a wasteful number, since it uses less digits than its factorization.

4400406424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311322 (or 311318 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The square root of 4400406424 is about 66335.5592725350. The cubic root of 4400406424 is about 1638.6929929552.

Adding to 4400406424 its reverse (4246040044), we get a palindrome (8646446468).

The spelling of 4400406424 in words is "four billion, four hundred million, four hundred six thousand, four hundred twenty-four".