32430445550 has 12 divisors (see below), whose sum is σ = 60320628816. Its totient is φ = 12972178200.

The previous prime is 32430445451. The next prime is 32430445559. The reversal of 32430445550 is 5554403423.

It is a self number, because there is not a number n which added to its sum of digits gives 32430445550.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32430445559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 324304406 + ... + 324304505.

It is an arithmetic number, because the mean of its divisors is an integer number (5026719068).

Almost surely, 2^32430445550 is an apocalyptic number.

32430445550 is a deficient number, since it is larger than the sum of its proper divisors (27890183266).

32430445550 is a wasteful number, since it uses less digits than its factorization.

32430445550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648608923 (or 648608918 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 32430445550 its reverse (5554403423), we get a palindrome (37984848973).

The spelling of 32430445550 in words is "thirty-two billion, four hundred thirty million, four hundred forty-five thousand, five hundred fifty".