424330420420 has 12 divisors (see below), whose sum is σ = 891093882924. Its totient is φ = 169732168160.

The previous prime is 424330420411. The next prime is 424330420421. The reversal of 424330420420 is 24024033424.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 240007888836 + 184322531584 = 489906^2 + 429328^2 .

It is not an unprimeable number, because it can be changed into a prime (424330420421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10608260491 + ... + 10608260530.

It is an arithmetic number, because the mean of its divisors is an integer number (74257823577).

Almost surely, 2^424330420420 is an apocalyptic number.

It is an amenable number.

424330420420 is an abundant number, since it is smaller than the sum of its proper divisors (466763462504).

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

424330420420 is a wasteful number, since it uses less digits than its factorization.

424330420420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21216521030 (or 21216521028 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 424330420420 its reverse (24024033424), we get a palindrome (448354453844).

The spelling of 424330420420 in words is "four hundred twenty-four billion, three hundred thirty million, four hundred twenty thousand, four hundred twenty".