1232004435440 has 40 divisors (see below), whose sum is σ = 2865434933760. Its totient is φ = 492625495296.

The previous prime is 1232004435379. The next prime is 1232004435449. The reversal of 1232004435440 is 445344002321.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 1232004435397 and 1232004435406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232004435449) 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, 2529200 + ... + 2976719.

It is an arithmetic number, because the mean of its divisors is an integer number (71635873344).

Almost surely, 2^{1232004435440} is an apocalyptic number.

1232004435440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232004435440 is an abundant number, since it is smaller than the sum of its proper divisors (1633430498320).

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

1232004435440 is a wasteful number, since it uses less digits than its factorization.

1232004435440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5508729 (or 5508723 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 1232004435440 its reverse (445344002321), we get a palindrome (1677348437761).

The spelling of 1232004435440 in words is "one trillion, two hundred thirty-two billion, four million, four hundred thirty-five thousand, four hundred forty".