32243445440 has 28 divisors (see below), whose sum is σ = 76779705216. Its totient is φ = 12897378048.

The previous prime is 32243445439. The next prime is 32243445449. The reversal of 32243445440 is 4454434223.

It is a self number, because there is not a number n which added to its sum of digits gives 32243445440.

It is not an unprimeable number, because it can be changed into a prime (32243445449) by changing a digit.

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, 50380064 + ... + 50380703.

Almost surely, 2^32243445440 is an apocalyptic number.

It is an amenable number.

32243445440 is an abundant number, since it is smaller than the sum of its proper divisors (44536259776).

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

32243445440 is a wasteful number, since it uses less digits than its factorization.

32243445440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100760784 (or 100760774 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 32243445440 its reverse (4454434223), we get a palindrome (36697879663).

The spelling of 32243445440 in words is "thirty-two billion, two hundred forty-three million, four hundred forty-five thousand, four hundred forty".