424020004 has 12 divisors (see below), whose sum is σ = 742224924. Its totient is φ = 211955744.

The previous prime is 424019983. The next prime is 424020007. The reversal of 424020004 is 400020424.

It can be written as a sum of positive squares in 2 ways, for example, as 263997504 + 160022500 = 16248^2 + 12650^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 424020004.

It is not an unprimeable number, because it can be changed into a prime (424020007) 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, 7734 + ... + 30130.

It is an arithmetic number, because the mean of its divisors is an integer number (61852077).

Almost surely, 2^424020004 is an apocalyptic number.

It is an amenable number.

424020004 is a deficient number, since it is larger than the sum of its proper divisors (318204920).

424020004 is a wasteful number, since it uses less digits than its factorization.

424020004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27134 (or 27132 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 424020004 is about 20591.7460163047. The cubic root of 424020004 is about 751.2689652402.

Adding to 424020004 its reverse (400020424), we get a palindrome (824040428).

The spelling of 424020004 in words is "four hundred twenty-four million, twenty thousand, four".