13368734642280 has 32 divisors (see below), whose sum is σ = 40106203927200. Its totient is φ = 3564995904576.

The previous prime is 13368734642267. The next prime is 13368734642287. The reversal of 13368734642280 is 8224643786331.

It is a self number, because there is not a number n which added to its sum of digits gives 13368734642280.

It is not an unprimeable number, because it can be changed into a prime (13368734642287) 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, 55703060890 + ... + 55703061129.

It is an arithmetic number, because the mean of its divisors is an integer number (1253318872725).

Almost surely, 2^{13368734642280} is an apocalyptic number.

13368734642280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13368734642280 is an abundant number, since it is smaller than the sum of its proper divisors (26737469284920).

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

13368734642280 is a wasteful number, since it uses less digits than its factorization.

13368734642280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111406122033 (or 111406122029 counting only the distinct ones).

The product of its (nonzero) digits is 27869184, while the sum is 57.

The spelling of 13368734642280 in words is "thirteen trillion, three hundred sixty-eight billion, seven hundred thirty-four million, six hundred forty-two thousand, two hundred eighty".