13229942448 has 80 divisors (see below), whose sum is σ = 35396529120. Its totient is φ = 4253018112.

The previous prime is 13229942441. The next prime is 13229942449. The reversal of 13229942448 is 84424992231.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 13229942397 and 13229942406.

It is not an unprimeable number, because it can be changed into a prime (13229942441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1321590 + ... + 1331562.

It is an arithmetic number, because the mean of its divisors is an integer number (442456614).

Almost surely, 2^13229942448 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 13229942448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17698264560).

13229942448 is an abundant number, since it is smaller than the sum of its proper divisors (22166586672).

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

13229942448 is a wasteful number, since it uses less digits than its factorization.

13229942448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10966 (or 10960 counting only the distinct ones).

The product of its digits is 995328, while the sum is 48.

The spelling of 13229942448 in words is "thirteen billion, two hundred twenty-nine million, nine hundred forty-two thousand, four hundred forty-eight".