1232042403440 has 20 divisors (see below), whose sum is σ = 2864498588184. Its totient is φ = 492816961344.

The previous prime is 1232042403373. The next prime is 1232042403443. The reversal of 1232042403440 is 443042402321.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1232042403443) 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, 7700264942 + ... + 7700265101.

Almost surely, 2^{1232042403440} is an apocalyptic number.

1232042403440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1232042403440 is an abundant number, since it is smaller than the sum of its proper divisors (1632456184744).

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

1232042403440 is a wasteful number, since it uses less digits than its factorization.

1232042403440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400530056 (or 15400530050 counting only the distinct ones).

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

Adding to 1232042403440 its reverse (443042402321), we get a palindrome (1675084805761).

The spelling of 1232042403440 in words is "one trillion, two hundred thirty-two billion, forty-two million, four hundred three thousand, four hundred forty".