13806226944 has 120 divisors (see below), whose sum is σ = 40598229672. Its totient is φ = 4515164160.

The previous prime is 13806226943. The next prime is 13806226961. The reversal of 13806226944 is 44962260831.

13806226944 is a `hidden beast` number, since 1 + 380 + 6 + 2 + 269 + 4 + 4 = 666.

It is a super-2 number, since 2×13806226944² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13806226944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13806226943) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215959 + ... + 272489.

Almost surely, 2^13806226944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13806226944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20299114836).

13806226944 is an abundant number, since it is smaller than the sum of its proper divisors (26792002728).

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

13806226944 is an equidigital number, since it uses as much as digits as its factorization.

13806226944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56608 (or 56589 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 13806226944 in words is "thirteen billion, eight hundred six million, two hundred twenty-six thousand, nine hundred forty-four".