32217709680 has 120 divisors (see below), whose sum is σ = 116520750528. Its totient is φ = 7930510848.

The previous prime is 32217709673. The next prime is 32217709717. The reversal of 32217709680 is 8690771223.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1711672 + ... + 1730391.

Almost surely, 2^32217709680 is an apocalyptic number.

32217709680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32217709680 is an abundant number, since it is smaller than the sum of its proper divisors (84303040848).

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

32217709680 is a wasteful number, since it uses less digits than its factorization.

32217709680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3442095 (or 3442086 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 45.

The spelling of 32217709680 in words is "thirty-two billion, two hundred seventeen million, seven hundred nine thousand, six hundred eighty".