13444402032 has 100 divisors (see below), whose sum is σ = 38936340256. Its totient is φ = 4478664960.

The previous prime is 13444402031. The next prime is 13444402057. The reversal of 13444402032 is 23020444431.

It is a happy number.

13444402032 is a `hidden beast` number, since 13 + 4 + 4 + 440 + 203 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13444401987 and 13444402005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444402031) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3700857 + ... + 3704487.

Almost surely, 2^13444402032 is an apocalyptic number.

13444402032 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 13444402032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19468170128).

13444402032 is an abundant number, since it is smaller than the sum of its proper divisors (25491938224).

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

13444402032 is a wasteful number, since it uses less digits than its factorization.

13444402032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508 (or 6493 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 13444402032 its reverse (23020444431), we get a palindrome (36464846463).

The spelling of 13444402032 in words is "thirteen billion, four hundred forty-four million, four hundred two thousand, thirty-two".