32432042440 has 32 divisors (see below), whose sum is σ = 83396681280. Its totient is φ = 11119557312.

The previous prime is 32432042407. The next prime is 32432042443. The reversal of 32432042440 is 4424023423.

It is a happy number.

It is a super-3 number, since 3×32432042440³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 = 32432042399 and 32432042408.

It is not an unprimeable number, because it can be changed into a prime (32432042443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 57914082 + ... + 57914641.

It is an arithmetic number, because the mean of its divisors is an integer number (2606146290).

Almost surely, 2^32432042440 is an apocalyptic number.

It is an amenable number.

32432042440 is an abundant number, since it is smaller than the sum of its proper divisors (50964638840).

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

32432042440 is a wasteful number, since it uses less digits than its factorization.

32432042440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115828741 (or 115828737 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 32432042440 its reverse (4424023423), we get a palindrome (36856065863).

The spelling of 32432042440 in words is "thirty-two billion, four hundred thirty-two million, forty-two thousand, four hundred forty".