420435344 has 40 divisors (see below), whose sum is σ = 979967040. Its totient is φ = 170702208.

The previous prime is 420435343. The next prime is 420435349. The reversal of 420435344 is 443534024.

It is not an unprimeable number, because it can be changed into a prime (420435343) 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 7 ways as a sum of consecutive naturals, for example, 96659 + ... + 100914.

It is an arithmetic number, because the mean of its divisors is an integer number (24499176).

Almost surely, 2^420435344 is an apocalyptic number.

It is an amenable number.

420435344 is an abundant number, since it is smaller than the sum of its proper divisors (559531696).

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

420435344 is a wasteful number, since it uses less digits than its factorization.

420435344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197607 (or 197601 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 29.

The square root of 420435344 is about 20504.5200870442. The cubic root of 420435344 is about 749.1458982346.

Adding to 420435344 its reverse (443534024), we get a palindrome (863969368).

The spelling of 420435344 in words is "four hundred twenty million, four hundred thirty-five thousand, three hundred forty-four".