13232220344 has 64 divisors (see below), whose sum is σ = 29609280000. Its totient is φ = 5420409984.

The previous prime is 13232220319. The next prime is 13232220359. The reversal of 13232220344 is 44302223231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2298782 + ... + 2304530.

It is an arithmetic number, because the mean of its divisors is an integer number (462645000).

Almost surely, 2^13232220344 is an apocalyptic number.

13232220344 is a gapful number since it is divisible by the number (14) 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 13232220344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14804640000).

13232220344 is an abundant number, since it is smaller than the sum of its proper divisors (16377059656).

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

13232220344 is a wasteful number, since it uses less digits than its factorization.

13232220344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572 (or 7568 counting only the distinct ones).

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

Adding to 13232220344 its reverse (44302223231), we get a palindrome (57534443575).

The spelling of 13232220344 in words is "thirteen billion, two hundred thirty-two million, two hundred twenty thousand, three hundred forty-four".