12342402433040 has 40 divisors (see below), whose sum is σ = 28699212959448. Its totient is φ = 4936422942720.

The previous prime is 12342402433037. The next prime is 12342402433057. The reversal of 12342402433040 is 4033420424321.

It can be written as a sum of positive squares in 4 ways, for example, as 145768185616 + 12196634247424 = 381796^2 + 3492368^2 .

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

It is a super-2 number, since 2×12342402433040² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12342402432988 and 12342402433006.

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, 7667657 + ... + 9136616.

Almost surely, 2^{12342402433040} is an apocalyptic number.

12342402433040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12342402433040 is an abundant number, since it is smaller than the sum of its proper divisors (16356810526408).

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

12342402433040 is a wasteful number, since it uses less digits than its factorization.

12342402433040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16813467 (or 16813461 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 12342402433040 its reverse (4033420424321), we get a palindrome (16375822857361).

The spelling of 12342402433040 in words is "twelve trillion, three hundred forty-two billion, four hundred two million, four hundred thirty-three thousand, forty".