420443411 has 8 divisors (see below), whose sum is σ = 425383200. Its totient is φ = 415523520.

The previous prime is 420443407. The next prime is 420443417. The reversal of 420443411 is 114344024.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 420443411 - 2² = 420443407 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420443417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39866 + ... + 49296.

It is an arithmetic number, because the mean of its divisors is an integer number (53172900).

Almost surely, 2^420443411 is an apocalyptic number.

420443411 is a deficient number, since it is larger than the sum of its proper divisors (4939789).

420443411 is a wasteful number, since it uses less digits than its factorization.

420443411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9949.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 420443411 is about 20504.7167988246. The cubic root of 420443411 is about 749.1506895550.

Adding to 420443411 its reverse (114344024), we get a palindrome (534787435).

The spelling of 420443411 in words is "four hundred twenty million, four hundred forty-three thousand, four hundred eleven".