13043443240400 has 60 divisors (see below), whose sum is σ = 31337594098944. Its totient is φ = 5217257136000.

The previous prime is 13043443240367. The next prime is 13043443240427. The reversal of 13043443240400 is 404234434031.

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, 18156035 + ... + 18860765.

Almost surely, 2^{13043443240400} is an apocalyptic number.

13043443240400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13043443240400 is an abundant number, since it is smaller than the sum of its proper divisors (18294150858544).

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

13043443240400 is a wasteful number, since it uses less digits than its factorization.

13043443240400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 751020 (or 751009 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 13043443240400 its reverse (404234434031), we get a palindrome (13447677674431).

The spelling of 13043443240400 in words is "thirteen trillion, forty-three billion, four hundred forty-three million, two hundred forty thousand, four hundred".