13726542820 has 24 divisors (see below), whose sum is σ = 28847649600. Its totient is φ = 5486443872.

The previous prime is 13726542787. The next prime is 13726542821. The reversal of 13726542820 is 2824562731.

13726542820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13726542821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233790 + ... + 286549.

It is an arithmetic number, because the mean of its divisors is an integer number (1201985400).

Almost surely, 2^13726542820 is an apocalyptic number.

13726542820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13726542820 is an abundant number, since it is smaller than the sum of its proper divisors (15121106780).

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

13726542820 is a wasteful number, since it uses less digits than its factorization.

13726542820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521667 (or 521665 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 13726542820 in words is "thirteen billion, seven hundred twenty-six million, five hundred forty-two thousand, eight hundred twenty".