420043044342241 has 8 divisors (see below), whose sum is σ = 444885057891720. Its totient is φ = 395215875145728.

The previous prime is 420043044342227. The next prime is 420043044342253. The reversal of 420043044342241 is 142243440340024.

It can be written as a sum of positive squares in 4 ways, for example, as 200820670396641 + 219222373945600 = 14171121^2 + 14806160^2 .

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 420043044342241 - 2⁵ = 420043044342209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420043044342241.

It is not an unprimeable number, because it can be changed into a prime (420043044342041) 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, 3711029976 + ... + 3711143161.

It is an arithmetic number, because the mean of its divisors is an integer number (55610632236465).

Almost surely, 2^{420043044342241} is an apocalyptic number.

It is an amenable number.

420043044342241 is a deficient number, since it is larger than the sum of its proper divisors (24842013549479).

420043044342241 is a wasteful number, since it uses less digits than its factorization.

420043044342241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7422176483.

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 420043044342241 its reverse (142243440340024), we get a palindrome (562286484682265).

The spelling of 420043044342241 in words is "four hundred twenty trillion, forty-three billion, forty-four million, three hundred forty-two thousand, two hundred forty-one".