43448394352 has 80 divisors (see below), whose sum is σ = 95946859008. Its totient is φ = 18866960640.

The previous prime is 43448394323. The next prime is 43448394359. The reversal of 43448394352 is 25349384434.

43448394352 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 43448394296 and 43448394305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43448394359) 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, 3446653 + ... + 3459235.

Almost surely, 2^43448394352 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 43448394352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47973429504).

43448394352 is an abundant number, since it is smaller than the sum of its proper divisors (52498464656).

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

43448394352 is a wasteful number, since it uses less digits than its factorization.

43448394352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13478 (or 13472 counting only the distinct ones).

The product of its digits is 4976640, while the sum is 49.

The spelling of 43448394352 in words is "forty-three billion, four hundred forty-eight million, three hundred ninety-four thousand, three hundred fifty-two".