1440420323132 has 96 divisors (see below), whose sum is σ = 2917194255360. Its totient is φ = 609595983360.

The previous prime is 1440420323117. The next prime is 1440420323149. The reversal of 1440420323132 is 2313230240441.

It is a junction number, because it is equal to n+sod(n) for n = 1440420323095 and 1440420323104.

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 31 ways as a sum of consecutive naturals, for example, 490104119 + ... + 490107057.

It is an arithmetic number, because the mean of its divisors is an integer number (30387440160).

Almost surely, 2^{1440420323132} is an apocalyptic number.

It is an amenable number.

1440420323132 is an abundant number, since it is smaller than the sum of its proper divisors (1476773932228).

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

1440420323132 is a wasteful number, since it uses less digits than its factorization.

1440420323132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3771 (or 3769 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1440420323132 its reverse (2313230240441), we get a palindrome (3753650563573).

The spelling of 1440420323132 in words is "one trillion, four hundred forty billion, four hundred twenty million, three hundred twenty-three thousand, one hundred thirty-two".