12426400040536 has 32 divisors (see below), whose sum is σ = 24312816403200. Its totient is φ = 5942988879520.

The previous prime is 12426400040533. The next prime is 12426400040569. The reversal of 12426400040536 is 63504000462421.

It is a junction number, because it is equal to n+sod(n) for n = 12426400040495 and 12426400040504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426400040531) 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, 16773525 + ... + 17498683.

It is an arithmetic number, because the mean of its divisors is an integer number (759775512600).

Almost surely, 2^{12426400040536} is an apocalyptic number.

It is an amenable number.

12426400040536 is a deficient number, since it is larger than the sum of its proper divisors (11886416362664).

12426400040536 is a wasteful number, since it uses less digits than its factorization.

12426400040536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818319 (or 818315 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 37.

The spelling of 12426400040536 in words is "twelve trillion, four hundred twenty-six billion, four hundred million, forty thousand, five hundred thirty-six".