420046432 has 24 divisors (see below), whose sum is σ = 890580096. Its totient is φ = 193867392.

The previous prime is 420046423. The next prime is 420046439. The reversal of 420046432 is 234640024.

It is a junction number, because it is equal to n+sod(n) for n = 420046397 and 420046406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420046439) by changing a digit.

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, 504448 + ... + 505279.

It is an arithmetic number, because the mean of its divisors is an integer number (37107504).

Almost surely, 2^420046432 is an apocalyptic number.

It is an amenable number.

420046432 is an abundant number, since it is smaller than the sum of its proper divisors (470533664).

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

420046432 is a wasteful number, since it uses less digits than its factorization.

420046432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009750 (or 1009742 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 420046432 is about 20495.0343254165. The cubic root of 420046432 is about 748.9148347940.

Adding to 420046432 its reverse (234640024), we get a palindrome (654686456).

The spelling of 420046432 in words is "four hundred twenty million, forty-six thousand, four hundred thirty-two".