13276263644020 has 48 divisors (see below), whose sum is σ = 30026154085200. Its totient is φ = 4901780837376.

The previous prime is 13276263644003. The next prime is 13276263644027. The reversal of 13276263644020 is 2044636267231.

It can be written as a sum of positive squares in 8 ways, for example, as 1727426547856 + 11548837096164 = 1314316^2 + 3398358^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13276263644027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4582306 + ... + 6895654.

It is an arithmetic number, because the mean of its divisors is an integer number (625544876775).

Almost surely, 2^{13276263644020} is an apocalyptic number.

13276263644020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13276263644020 is an abundant number, since it is smaller than the sum of its proper divisors (16749890441180).

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

13276263644020 is a wasteful number, since it uses less digits than its factorization.

13276263644020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2335444 (or 2335442 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 46.

The spelling of 13276263644020 in words is "thirteen trillion, two hundred seventy-six billion, two hundred sixty-three million, six hundred forty-four thousand, twenty".