32505047444 has 12 divisors (see below), whose sum is σ = 56902584564. Its totient is φ = 16247166144.

The previous prime is 32505047441. The next prime is 32505047507. The reversal of 32505047444 is 44474050523.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 28297968400 + 4207079044 = 168220^2 + 64862^2 .

It is a junction number, because it is equal to n+sod(n) for n = 32505047398 and 32505047407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32505047441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1325729 + ... + 1350024.

It is an arithmetic number, because the mean of its divisors is an integer number (4741882047).

Almost surely, 2^32505047444 is an apocalyptic number.

It is an amenable number.

32505047444 is a deficient number, since it is larger than the sum of its proper divisors (24397537120).

32505047444 is a wasteful number, since it uses less digits than its factorization.

32505047444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2678794 (or 2678792 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 38.

Adding to 32505047444 its reverse (44474050523), we get a palindrome (76979097967).

The spelling of 32505047444 in words is "thirty-two billion, five hundred five million, forty-seven thousand, four hundred forty-four".