4321440500144 has 20 divisors (see below), whose sum is σ = 8373311420496. Its totient is φ = 2160585940032.

The previous prime is 4321440500129. The next prime is 4321440500149. The reversal of 4321440500144 is 4410050441234.

It is a super-3 number, since 3×4321440500144³ (a number of 39 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4321440500144.

It is not an unprimeable number, because it can be changed into a prime (4321440500149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8128679 + ... + 8643974.

Almost surely, 2^{4321440500144} is an apocalyptic number.

It is an amenable number.

4321440500144 is a deficient number, since it is larger than the sum of its proper divisors (4051870920352).

4321440500144 is a wasteful number, since it uses less digits than its factorization.

4321440500144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16788764 (or 16788758 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 4321440500144 its reverse (4410050441234), we get a palindrome (8731490941378).

The spelling of 4321440500144 in words is "four trillion, three hundred twenty-one billion, four hundred forty million, five hundred thousand, one hundred forty-four".