12335404240 has 40 divisors (see below), whose sum is σ = 28684545768. Its totient is φ = 4933347840.

The previous prime is 12335404189. The next prime is 12335404247. The reversal of 12335404240 is 4240453321.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 31270464 + 12304133776 = 5592^2 + 110924^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 12335404199 and 12335404208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12335404247) 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, 790110 + ... + 805570.

Almost surely, 2^12335404240 is an apocalyptic number.

12335404240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12335404240 is an abundant number, since it is smaller than the sum of its proper divisors (16349141528).

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

12335404240 is a wasteful number, since it uses less digits than its factorization.

12335404240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25447 (or 25441 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 12335404240 its reverse (4240453321), we get a palindrome (16575857561).

The spelling of 12335404240 in words is "twelve billion, three hundred thirty-five million, four hundred four thousand, two hundred forty".