13240433555040 has 96 divisors (see below), whose sum is σ = 43052764640256. Its totient is φ = 3416886074880.

The previous prime is 13240433555039. The next prime is 13240433555119. The reversal of 13240433555040 is 4055533404231.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 13240433555040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444892162 + ... + 444921921.

It is an arithmetic number, because the mean of its divisors is an integer number (448466298336).

Almost surely, 2^{13240433555040} is an apocalyptic number.

13240433555040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13240433555040 is an abundant number, since it is smaller than the sum of its proper divisors (29812331085216).

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

13240433555040 is a wasteful number, since it uses less digits than its factorization.

13240433555040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889814132 (or 889814124 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 39.

Adding to 13240433555040 its reverse (4055533404231), we get a palindrome (17295966959271).

The spelling of 13240433555040 in words is "thirteen trillion, two hundred forty billion, four hundred thirty-three million, five hundred fifty-five thousand, forty".