32443403240 has 16 divisors (see below), whose sum is σ = 72997657380. Its totient is φ = 12977361280.

The previous prime is 32443403173. The next prime is 32443403257. The reversal of 32443403240 is 4230434423.

It can be written as a sum of positive squares in 2 ways, for example, as 32189383396 + 254019844 = 179414^2 + 15938^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 405542501 + ... + 405542580.

Almost surely, 2^32443403240 is an apocalyptic number.

It is an amenable number.

32443403240 is an abundant number, since it is smaller than the sum of its proper divisors (40554254140).

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

32443403240 is a wasteful number, since it uses less digits than its factorization.

32443403240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811085092 (or 811085088 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 29.

Adding to 32443403240 its reverse (4230434423), we get a palindrome (36673837663).

The spelling of 32443403240 in words is "thirty-two billion, four hundred forty-three million, four hundred three thousand, two hundred forty".