32823808640 has 64 divisors (see below), whose sum is σ = 89679346560. Its totient is φ = 11253875712.

The previous prime is 32823808639. The next prime is 32823808649. The reversal of 32823808640 is 4680832823.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 32823808591 and 32823808600.

It is not an unprimeable number, because it can be changed into a prime (32823808649) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3658892 + ... + 3667851.

It is an arithmetic number, because the mean of its divisors is an integer number (1401239790).

Almost surely, 2^32823808640 is an apocalyptic number.

It is an amenable number.

32823808640 is an abundant number, since it is smaller than the sum of its proper divisors (56855537920).

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

32823808640 is an equidigital number, since it uses as much as digits as its factorization.

32823808640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7326769 (or 7326757 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 44.

The spelling of 32823808640 in words is "thirty-two billion, eight hundred twenty-three million, eight hundred eight thousand, six hundred forty".