12432110235440 has 40 divisors (see below), whose sum is σ = 33033892912800. Its totient is φ = 4262437794816.

The previous prime is 12432110235439. The next prime is 12432110235491. The reversal of 12432110235440 is 4453201123421.

12432110235440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×12432110235440² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12432110235397 and 12432110235406.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11100097865 + ... + 11100098984.

It is an arithmetic number, because the mean of its divisors is an integer number (825847322820).

Almost surely, 2^{12432110235440} is an apocalyptic number.

12432110235440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12432110235440 is an abundant number, since it is smaller than the sum of its proper divisors (20601782677360).

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

12432110235440 is a wasteful number, since it uses less digits than its factorization.

12432110235440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22200196869 (or 22200196863 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 12432110235440 its reverse (4453201123421), we get a palindrome (16885311358861).

The spelling of 12432110235440 in words is "twelve trillion, four hundred thirty-two billion, one hundred ten million, two hundred thirty-five thousand, four hundred forty".