13442024440 has 128 divisors (see below), whose sum is σ = 35221858560. Its totient is φ = 4571725824.

The previous prime is 13442024437. The next prime is 13442024441. The reversal of 13442024440 is 4442024431.

It is a junction number, because it is equal to n+sod(n) for n = 13442024399 and 13442024408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13442024441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 399304 + ... + 431656.

It is an arithmetic number, because the mean of its divisors is an integer number (275170770).

Almost surely, 2^13442024440 is an apocalyptic number.

13442024440 is a gapful number since it is divisible by the number (10) 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 13442024440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17610929280).

13442024440 is an abundant number, since it is smaller than the sum of its proper divisors (21779834120).

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

13442024440 is a wasteful number, since it uses less digits than its factorization.

13442024440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32441 (or 32437 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 13442024440 its reverse (4442024431), we get a palindrome (17884048871).

Subtracting from 13442024440 its reverse (4442024431), we obtain a palindrome (9000000009).

The spelling of 13442024440 in words is "thirteen billion, four hundred forty-two million, twenty-four thousand, four hundred forty".