12401433004240 has 80 divisors (see below), whose sum is σ = 32957892024192. Its totient is φ = 4251208545792.

The previous prime is 12401433004193. The next prime is 12401433004243. The reversal of 12401433004240 is 4240033410421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 12401433004199 and 12401433004208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12401433004243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1503262 + ... + 5202178.

Almost surely, 2^{12401433004240} is an apocalyptic number.

12401433004240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12401433004240 is an abundant number, since it is smaller than the sum of its proper divisors (20556459019952).

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

12401433004240 is a wasteful number, since it uses less digits than its factorization.

12401433004240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3704924 (or 3704918 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 12401433004240 its reverse (4240033410421), we get a palindrome (16641466414661).

The spelling of 12401433004240 in words is "twelve trillion, four hundred one billion, four hundred thirty-three million, four thousand, two hundred forty".