1440300243224 has 8 divisors (see below), whose sum is σ = 2700562956060. Its totient is φ = 720150121608.

The previous prime is 1440300243209. The next prime is 1440300243247. The reversal of 1440300243224 is 4223420030441.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1440300243224² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 90018765194 + ... + 90018765209.

Almost surely, 2^{1440300243224} is an apocalyptic number.

It is an amenable number.

1440300243224 is a deficient number, since it is larger than the sum of its proper divisors (1260262712836).

1440300243224 is a wasteful number, since it uses less digits than its factorization.

1440300243224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180037530409 (or 180037530405 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 1440300243224 its reverse (4223420030441), we get a palindrome (5663720273665).

The spelling of 1440300243224 in words is "one trillion, four hundred forty billion, three hundred million, two hundred forty-three thousand, two hundred twenty-four".