1440004004223 has 8 divisors (see below), whose sum is σ = 1926259429248. Its totient is φ = 956875624344.

The previous prime is 1440004004213. The next prime is 1440004004233. The reversal of 1440004004223 is 3224004000441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1440004004213) and next prime (1440004004233).

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

It is not a de Polignac number, because 1440004004223 - 2¹⁰ = 1440004003199 is a prime.

It is a super-2 number, since 2×1440004004223² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1440004004193 and 1440004004202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1440004004213) 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, 781760211 + ... + 781762052.

It is an arithmetic number, because the mean of its divisors is an integer number (240782428656).

Almost surely, 2^{1440004004223} is an apocalyptic number.

1440004004223 is a deficient number, since it is larger than the sum of its proper divisors (486255425025).

1440004004223 is a wasteful number, since it uses less digits than its factorization.

1440004004223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563522573.

The product of its (nonzero) digits is 3072, while the sum is 24.

Adding to 1440004004223 its reverse (3224004000441), we get a palindrome (4664008004664).

The spelling of 1440004004223 in words is "one trillion, four hundred forty billion, four million, four thousand, two hundred twenty-three".