14021423402144 has 12 divisors (see below), whose sum is σ = 27604677323034. Its totient is φ = 7010711701056.

The previous prime is 14021423402111. The next prime is 14021423402159. The reversal of 14021423402144 is 44120432412041.

It can be written as a sum of positive squares in only one way, i.e., 12353678448400 + 1667744953744 = 3514780^2 + 1291412^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 438169481317 = 14021423402144 / (1 + 4 + 0 + 2 + 1 + 4 + 2 + 3 + 4 + 0 + 2 + 1 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 14021423402144.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 219084740627 + ... + 219084740690.

Almost surely, 2^{14021423402144} is an apocalyptic number.

It is an amenable number.

14021423402144 is a deficient number, since it is larger than the sum of its proper divisors (13583253920890).

14021423402144 is an equidigital number, since it uses as much as digits as its factorization.

14021423402144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438169481327 (or 438169481319 counting only the distinct ones).

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

Adding to 14021423402144 its reverse (44120432412041), we get a palindrome (58141855814185).

The spelling of 14021423402144 in words is "fourteen trillion, twenty-one billion, four hundred twenty-three million, four hundred two thousand, one hundred forty-four".