13144332551340 has 48 divisors (see below), whose sum is σ = 36804362595840. Its totient is φ = 3505133304000.

The previous prime is 13144332551333. The next prime is 13144332551401. The reversal of 13144332551340 is 4315523344131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10409215 + ... + 11603465.

It is an arithmetic number, because the mean of its divisors is an integer number (766757554080).

Almost surely, 2^{13144332551340} is an apocalyptic number.

13144332551340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13144332551340 is an abundant number, since it is smaller than the sum of its proper divisors (23660030044500).

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

13144332551340 is a wasteful number, since it uses less digits than its factorization.

13144332551340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377702 (or 1377700 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 13144332551340 its reverse (4315523344131), we get a palindrome (17459855895471).

The spelling of 13144332551340 in words is "thirteen trillion, one hundred forty-four billion, three hundred thirty-two million, five hundred fifty-one thousand, three hundred forty".