420100144444 has 24 divisors (see below), whose sum is σ = 741505232160. Its totient is φ = 208245497856.

The previous prime is 420100144441. The next prime is 420100144447. The reversal of 420100144444 is 444441001024.

It is an interprime number because it is at equal distance from previous prime (420100144441) and next prime (420100144447).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420100144441) 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, 77032 + ... + 919855.

It is an arithmetic number, because the mean of its divisors is an integer number (30896051340).

Almost surely, 2^420100144444 is an apocalyptic number.

It is an amenable number.

420100144444 is a deficient number, since it is larger than the sum of its proper divisors (321405087716).

420100144444 is a wasteful number, since it uses less digits than its factorization.

420100144444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997797 (or 997795 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 420100144444 its reverse (444441001024), we get a palindrome (864541145468).

The spelling of 420100144444 in words is "four hundred twenty billion, one hundred million, one hundred forty-four thousand, four hundred forty-four".