420443140142211 has 8 divisors (see below), whose sum is σ = 562093778064720. Its totient is φ = 279543964490592.

The previous prime is 420443140142209. The next prime is 420443140142251. The reversal of 420443140142211 is 112241041344024.

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

It is not a de Polignac number, because 420443140142211 - 2¹ = 420443140142209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420443140142251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187865566416 + ... + 187865568653.

It is an arithmetic number, because the mean of its divisors is an integer number (70261722258090).

Almost surely, 2^{420443140142211} is an apocalyptic number.

420443140142211 is a deficient number, since it is larger than the sum of its proper divisors (141650637922509).

420443140142211 is a wasteful number, since it uses less digits than its factorization.

420443140142211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375731135445.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 420443140142211 its reverse (112241041344024), we get a palindrome (532684181486235).

The spelling of 420443140142211 in words is "four hundred twenty trillion, four hundred forty-three billion, one hundred forty million, one hundred forty-two thousand, two hundred eleven".