13244155452 has 120 divisors (see below), whose sum is σ = 38145370032. Its totient is φ = 3973536000.

The previous prime is 13244155391. The next prime is 13244155453. The reversal of 13244155452 is 25455144231.

13244155452 is a `hidden beast` number, since 13 + 2 + 4 + 41 + 554 + 52 = 666.

13244155452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13244155453) 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 39 ways as a sum of consecutive naturals, for example, 341568 + ... + 378360.

Almost surely, 2^13244155452 is an apocalyptic number.

13244155452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13244155452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19072685016).

13244155452 is an abundant number, since it is smaller than the sum of its proper divisors (24901214580).

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

13244155452 is a wasteful number, since it uses less digits than its factorization.

13244155452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36921 (or 36910 counting only the distinct ones).

The product of its digits is 96000, while the sum is 36.

Adding to 13244155452 its reverse (25455144231), we get a palindrome (38699299683).

The spelling of 13244155452 in words is "thirteen billion, two hundred forty-four million, one hundred fifty-five thousand, four hundred fifty-two".