32505332445 has 24 divisors (see below), whose sum is σ = 56425853016. Its totient is φ = 17310553728.

The previous prime is 32505332437. The next prime is 32505332459. The reversal of 32505332445 is 54423350523.

32505332445 is a `hidden beast` number, since 32 + 50 + 533 + 2 + 4 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 19049796441 + 13455536004 = 138021^2 + 115998^2 .

It is not a de Polignac number, because 32505332445 - 2³ = 32505332437 is a prime.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 503022 + ... + 563951.

It is an arithmetic number, because the mean of its divisors is an integer number (2351077209).

Almost surely, 2^32505332445 is an apocalyptic number.

It is an amenable number.

32505332445 is a deficient number, since it is larger than the sum of its proper divisors (23920520571).

32505332445 is a wasteful number, since it uses less digits than its factorization.

32505332445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067661 (or 1067658 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 32505332445 its reverse (54423350523), we get a palindrome (86928682968).

The spelling of 32505332445 in words is "thirty-two billion, five hundred five million, three hundred thirty-two thousand, four hundred forty-five".