32443440000 has 160 divisors (see below), whose sum is σ = 107688684840. Its totient is φ = 8651520000.

The previous prime is 32443439993. The next prime is 32443440013. The reversal of 32443440000 is 4434423.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 172410 + ... + 307590.

Almost surely, 2^32443440000 is an apocalyptic number.

32443440000 is a gapful number since it is divisible by the number (30) 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 32443440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53844342420).

32443440000 is an abundant number, since it is smaller than the sum of its proper divisors (75245244840).

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

32443440000 is an equidigital number, since it uses as much as digits as its factorization.

32443440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135218 (or 135191 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

Adding to 32443440000 its reverse (4434423), we get a palindrome (32447874423).

The spelling of 32443440000 in words is "thirty-two billion, four hundred forty-three million, four hundred forty thousand".