420143324444 has 6 divisors (see below), whose sum is σ = 735250817784. Its totient is φ = 210071662220.

The previous prime is 420143324411. The next prime is 420143324467. The reversal of 420143324444 is 444423341024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52517915552 + ... + 52517915559.

It is an arithmetic number, because the mean of its divisors is an integer number (122541802964).

Almost surely, 2^420143324444 is an apocalyptic number.

It is an amenable number.

420143324444 is a deficient number, since it is larger than the sum of its proper divisors (315107493340).

420143324444 is a wasteful number, since it uses less digits than its factorization.

420143324444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105035831115 (or 105035831113 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 35.

Adding to 420143324444 its reverse (444423341024), we get a palindrome (864566665468).

The spelling of 420143324444 in words is "four hundred twenty billion, one hundred forty-three million, three hundred twenty-four thousand, four hundred forty-four".