13224033440 has 192 divisors, whose sum is σ = 35418902400. Its totient is φ = 4635426816.

The previous prime is 13224033401. The next prime is 13224033451. The reversal of 13224033440 is 4433042231.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3046952 + ... + 3051288.

It is an arithmetic number, because the mean of its divisors is an integer number (184473450).

Almost surely, 2^13224033440 is an apocalyptic number.

13224033440 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 13224033440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17709451200).

13224033440 is an abundant number, since it is smaller than the sum of its proper divisors (22194868960).

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

13224033440 is a wasteful number, since it uses less digits than its factorization.

13224033440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447 (or 4439 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 13224033440 its reverse (4433042231), we get a palindrome (17657075671).

The spelling of 13224033440 in words is "thirteen billion, two hundred twenty-four million, thirty-three thousand, four hundred forty".