12426536211440 has 160 divisors (see below), whose sum is σ = 32955606081216. Its totient is φ = 4316890152960.

The previous prime is 12426536211437. The next prime is 12426536211449. The reversal of 12426536211440 is 4411263562421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12426536211449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52408994 + ... + 52645566.

Almost surely, 2^{12426536211440} is an apocalyptic number.

12426536211440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12426536211440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16477803040608).

12426536211440 is an abundant number, since it is smaller than the sum of its proper divisors (20529069869776).

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

12426536211440 is a wasteful number, since it uses less digits than its factorization.

12426536211440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239587 (or 239581 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

Adding to 12426536211440 its reverse (4411263562421), we get a palindrome (16837799773861).

The spelling of 12426536211440 in words is "twelve trillion, four hundred twenty-six billion, five hundred thirty-six million, two hundred eleven thousand, four hundred forty".