420442430324 has 12 divisors (see below), whose sum is σ = 840884860704. Its totient is φ = 180189612984.

The previous prime is 420442430311. The next prime is 420442430351. The reversal of 420442430324 is 423034244024.

420442430324 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7507900514 + ... + 7507900569.

It is an arithmetic number, because the mean of its divisors is an integer number (70073738392).

Almost surely, 2^420442430324 is an apocalyptic number.

It is an amenable number.

420442430324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420442430324 is a wasteful number, since it uses less digits than its factorization.

420442430324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15015801094 (or 15015801092 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 32.

Adding to 420442430324 its reverse (423034244024), we get a palindrome (843476674348).

The spelling of 420442430324 in words is "four hundred twenty billion, four hundred forty-two million, four hundred thirty thousand, three hundred twenty-four".