420444241 has 8 divisors (see below), whose sum is σ = 486590720. Its totient is φ = 355818528.

The previous prime is 420444223. The next prime is 420444247. The reversal of 420444241 is 142444024.

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

It is not a de Polignac number, because 420444241 - 2¹⁹ = 419919953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420444247) 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, 379596 + ... + 380701.

It is an arithmetic number, because the mean of its divisors is an integer number (60823840).

Almost surely, 2^420444241 is an apocalyptic number.

It is an amenable number.

420444241 is a deficient number, since it is larger than the sum of its proper divisors (66146479).

420444241 is an equidigital number, since it uses as much as digits as its factorization.

420444241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760383.

The product of its (nonzero) digits is 4096, while the sum is 25.

The square root of 420444241 is about 20504.7370380603. The cubic root of 420444241 is about 749.1511825224.

Adding to 420444241 its reverse (142444024), we get a palindrome (562888265).

The spelling of 420444241 in words is "four hundred twenty million, four hundred forty-four thousand, two hundred forty-one".