13432440312 has 48 divisors (see below), whose sum is σ = 37961249040. Its totient is φ = 4282806528.

The previous prime is 13432440293. The next prime is 13432440323. The reversal of 13432440312 is 21304423431.

13432440312 is a `hidden beast` number, since 1 + 343 + 2 + 4 + 4 + 0 + 312 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4054033 + ... + 4057344.

It is an arithmetic number, because the mean of its divisors is an integer number (790859355).

Almost surely, 2^13432440312 is an apocalyptic number.

13432440312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13432440312 is an abundant number, since it is smaller than the sum of its proper divisors (24528808728).

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

13432440312 is a wasteful number, since it uses less digits than its factorization.

13432440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8111412 (or 8111405 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 13432440312 its reverse (21304423431), we get a palindrome (34736863743).

The spelling of 13432440312 in words is "thirteen billion, four hundred thirty-two million, four hundred forty thousand, three hundred twelve".