13824036644 has 96 divisors (see below), whose sum is σ = 28814822400. Its totient is φ = 5734488960.

The previous prime is 13824036643. The next prime is 13824036671. The reversal of 13824036644 is 44663042831.

It is a super-2 number, since 2×13824036644² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13824036643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3183827 + ... + 3188165.

It is an arithmetic number, because the mean of its divisors is an integer number (300154400).

Almost surely, 2^13824036644 is an apocalyptic number.

It is an amenable number.

13824036644 is an abundant number, since it is smaller than the sum of its proper divisors (14990785756).

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

13824036644 is a wasteful number, since it uses less digits than its factorization.

13824036644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4513 (or 4511 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 13824036644 in words is "thirteen billion, eight hundred twenty-four million, thirty-six thousand, six hundred forty-four".