32545445544 has 80 divisors (see below), whose sum is σ = 91813444800. Its totient is φ = 10770405408.

The previous prime is 32545445519. The next prime is 32545445549. The reversal of 32545445544 is 44554454523.

It is a happy number.

32545445544 is a `hidden beast` number, since 3 + 2 + 54 + 5 + 44 + 554 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 32545445544.

It is not an unprimeable number, because it can be changed into a prime (32545445549) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 90592 + ... + 270735.

It is an arithmetic number, because the mean of its divisors is an integer number (1147668060).

Almost surely, 2^32545445544 is an apocalyptic number.

It is an amenable number.

32545445544 is an abundant number, since it is smaller than the sum of its proper divisors (59267999256).

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

32545445544 is a wasteful number, since it uses less digits than its factorization.

32545445544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361484 (or 361471 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 45.

The spelling of 32545445544 in words is "thirty-two billion, five hundred forty-five million, four hundred forty-five thousand, five hundred forty-four".