32443032040 has 64 divisors (see below), whose sum is σ = 74418244560. Its totient is φ = 12724807680.

The previous prime is 32443032029. The next prime is 32443032079. The reversal of 32443032040 is 4023034423.

It can be written as a sum of positive squares in 8 ways, for example, as 26356223716 + 6086808324 = 162346^2 + 78018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32443031996 and 32443032014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4739020 + ... + 4745860.

Almost surely, 2^32443032040 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 32443032040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37209122280).

32443032040 is an abundant number, since it is smaller than the sum of its proper divisors (41975212520).

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

32443032040 is a wasteful number, since it uses less digits than its factorization.

32443032040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9142 (or 9138 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 25.

Adding to 32443032040 its reverse (4023034423), we get a palindrome (36466066463).

The spelling of 32443032040 in words is "thirty-two billion, four hundred forty-three million, thirty-two thousand, forty".