1440423313332 has 48 divisors (see below), whose sum is σ = 3483923251200. Its totient is φ = 462708499680.

The previous prime is 1440423313309. The next prime is 1440423313361. The reversal of 1440423313332 is 2333133240441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1440423313293 and 1440423313302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8011732 + ... + 8189547.

It is an arithmetic number, because the mean of its divisors is an integer number (72581734400).

Almost surely, 2^{1440423313332} is an apocalyptic number.

1440423313332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1440423313332 is an abundant number, since it is smaller than the sum of its proper divisors (2043499937868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1440423313332 is a wasteful number, since it uses less digits than its factorization.

1440423313332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16201556 (or 16201554 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 33.

Adding to 1440423313332 its reverse (2333133240441), we get a palindrome (3773556553773).

The spelling of 1440423313332 in words is "one trillion, four hundred forty billion, four hundred twenty-three million, three hundred thirteen thousand, three hundred thirty-two".