32034323440 has 80 divisors (see below), whose sum is σ = 85181548032. Its totient is φ = 10975226112.

The previous prime is 32034323407. The next prime is 32034323443. The reversal of 32034323440 is 4432343023.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 32034323399 and 32034323408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32034323443) 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, 779077 + ... + 819163.

Almost surely, 2^32034323440 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 32034323440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42590774016).

32034323440 is an abundant number, since it is smaller than the sum of its proper divisors (53147224592).

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

32034323440 is a wasteful number, since it uses less digits than its factorization.

32034323440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41534 (or 41528 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 28.

Adding to 32034323440 its reverse (4432343023), we get a palindrome (36466666463).

The spelling of 32034323440 in words is "thirty-two billion, thirty-four million, three hundred twenty-three thousand, four hundred forty".