420141203042144 has 48 divisors (see below), whose sum is σ = 829621918275696. Its totient is φ = 209443594752000.

The previous prime is 420141203042129. The next prime is 420141203042153. The reversal of 420141203042144 is 441240302141024.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 420141203042144.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681682919 + ... + 682298969.

It is an arithmetic number, because the mean of its divisors is an integer number (17283789964077).

Almost surely, 2^{420141203042144} is an apocalyptic number.

It is an amenable number.

420141203042144 is a deficient number, since it is larger than the sum of its proper divisors (409480715233552).

420141203042144 is a wasteful number, since it uses less digits than its factorization.

420141203042144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 679639 (or 679631 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 420141203042144 its reverse (441240302141024), we get a palindrome (861381505183168).

The spelling of 420141203042144 in words is "four hundred twenty trillion, one hundred forty-one billion, two hundred three million, forty-two thousand, one hundred forty-four".