1440113004221 has 8 divisors (see below), whose sum is σ = 1466191105344. Its totient is φ = 1414242697120.

The previous prime is 1440113004193. The next prime is 1440113004223. The reversal of 1440113004221 is 1224003110441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1440113004221 - 2²² = 1440108809917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440113004223) 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, 51934520 + ... + 51962241.

It is an arithmetic number, because the mean of its divisors is an integer number (183273888168).

Almost surely, 2^{1440113004221} is an apocalyptic number.

It is an amenable number.

1440113004221 is a deficient number, since it is larger than the sum of its proper divisors (26078101123).

1440113004221 is a wasteful number, since it uses less digits than its factorization.

1440113004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103897011.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 1440113004221 its reverse (1224003110441), we get a palindrome (2664116114662).

The spelling of 1440113004221 in words is "one trillion, four hundred forty billion, one hundred thirteen million, four thousand, two hundred twenty-one".