424404424 has 16 divisors (see below), whose sum is σ = 803638620. Its totient is φ = 210100800.

The previous prime is 424404419. The next prime is 424404433.

424404424 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 289612324 + 134792100 = 17018^2 + 11610^2 .

It is a super-2 number, since 2×424404424² = 360238230221543552, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 424404392 and 424404401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261819 + ... + 263434.

Almost surely, 2^424404424 is an apocalyptic number.

It is an amenable number.

424404424 is a deficient number, since it is larger than the sum of its proper divisors (379234196).

424404424 is a wasteful number, since it uses less digits than its factorization.

424404424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525360 (or 525356 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

The square root of 424404424 is about 20601.0782242095. The cubic root of 424404424 is about 751.4959321913.

It can be divided in two parts, 42440 and 4424, that added together give a palindrome (46864).

The spelling of 424404424 in words is "four hundred twenty-four million, four hundred four thousand, four hundred twenty-four".