420430441 has 8 divisors (see below), whose sum is σ = 435877344. Its totient is φ = 405230880.

The previous prime is 420430421. The next prime is 420430453. The reversal of 420430441 is 144034024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 420430441 - 2¹⁵ = 420397673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420430411) 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, 58371 + ... + 65176.

It is an arithmetic number, because the mean of its divisors is an integer number (54484668).

Almost surely, 2^420430441 is an apocalyptic number.

420430441 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

420430441 is a deficient number, since it is larger than the sum of its proper divisors (15446903).

420430441 is a wasteful number, since it uses less digits than its factorization.

420430441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123671.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 420430441 is about 20504.4005276916. The cubic root of 420430441 is about 749.1429861130.

Adding to 420430441 its reverse (144034024), we get a palindrome (564464465).

The spelling of 420430441 in words is "four hundred twenty million, four hundred thirty thousand, four hundred forty-one".