424020424 has 16 divisors (see below), whose sum is σ = 796769820. Its totient is φ = 211548480.

The previous prime is 424020383. The next prime is 424020437.

424020424 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 403608100 + 20412324 = 20090^2 + 4518^2 .

It is a junction number, because it is equal to n+sod(n) for n = 424020395 and 424020404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53799 + ... + 61174.

Almost surely, 2^424020424 is an apocalyptic number.

It is an amenable number.

424020424 is a deficient number, since it is larger than the sum of its proper divisors (372749396).

424020424 is a wasteful number, since it uses less digits than its factorization.

424020424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115440 (or 115436 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 424020424 is about 20591.7562145631. The cubic root of 424020424 is about 751.2692132889.

The spelling of 424020424 in words is "four hundred twenty-four million, twenty thousand, four hundred twenty-four".