13235453244 has 96 divisors (see below), whose sum is σ = 37580256000. Its totient is φ = 4003397568.

The previous prime is 13235453239. The next prime is 13235453251. The reversal of 13235453244 is 44235453231.

13235453244 is a `hidden beast` number, since 1 + 32 + 3 + 54 + 532 + 44 = 666.

It is a super-2 number, since 2×13235453244² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 13235453199 and 13235453208.

It is a congruent number.

It is an unprimeable number.

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, 2947 + ... + 162725.

It is an arithmetic number, because the mean of its divisors is an integer number (391461000).

Almost surely, 2^13235453244 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 13235453244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18790128000).

13235453244 is an abundant number, since it is smaller than the sum of its proper divisors (24344802756).

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

13235453244 is a wasteful number, since it uses less digits than its factorization.

13235453244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159864 (or 159856 counting only the distinct ones).

The product of its digits is 172800, while the sum is 36.

The spelling of 13235453244 in words is "thirteen billion, two hundred thirty-five million, four hundred fifty-three thousand, two hundred forty-four".