420444410 has 8 divisors (see below), whose sum is σ = 756799956. Its totient is φ = 168177760.

The previous prime is 420444403. The next prime is 420444419. The reversal of 420444410 is 14444024.

It can be written as a sum of positive squares in 2 ways, for example, as 352200289 + 68244121 = 18767^2 + 8261^2 .

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

It is not an unprimeable number, because it can be changed into a prime (420444419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21022211 + ... + 21022230.

Almost surely, 2^420444410 is an apocalyptic number.

420444410 is a deficient number, since it is larger than the sum of its proper divisors (336355546).

420444410 is a wasteful number, since it uses less digits than its factorization.

420444410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42044448.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 420444410 is about 20504.7411590588. The cubic root of 420444410 is about 749.1512828976.

Adding to 420444410 its reverse (14444024), we get a palindrome (434888434).

The spelling of 420444410 in words is "four hundred twenty million, four hundred forty-four thousand, four hundred ten".