1440031404332 has 12 divisors (see below), whose sum is σ = 2522896062960. Its totient is φ = 719203957776.

The previous prime is 1440031404323. The next prime is 1440031404337. The reversal of 1440031404332 is 2334041300441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1440031404295 and 1440031404304.

It is not an unprimeable number, because it can be changed into a prime (1440031404337) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 202932107 + ... + 202939202.

It is an arithmetic number, because the mean of its divisors is an integer number (210241338580).

Almost surely, 2^{1440031404332} is an apocalyptic number.

It is an amenable number.

1440031404332 is a deficient number, since it is larger than the sum of its proper divisors (1082864658628).

1440031404332 is a wasteful number, since it uses less digits than its factorization.

1440031404332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405872200 (or 405872198 counting only the distinct ones).

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

Adding to 1440031404332 its reverse (2334041300441), we get a palindrome (3774072704773).

The spelling of 1440031404332 in words is "one trillion, four hundred forty billion, thirty-one million, four hundred four thousand, three hundred thirty-two".