13325445680 has 40 divisors (see below), whose sum is σ = 31142224032. Its totient is φ = 5302554624.

The previous prime is 13325445673. The next prime is 13325445691. The reversal of 13325445680 is 8654452331.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 416084 + ... + 446963.

Almost surely, 2^13325445680 is an apocalyptic number.

13325445680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13325445680 is an abundant number, since it is smaller than the sum of its proper divisors (17816778352).

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

13325445680 is a wasteful number, since it uses less digits than its factorization.

13325445680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863253 (or 863247 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 41.

The spelling of 13325445680 in words is "thirteen billion, three hundred twenty-five million, four hundred forty-five thousand, six hundred eighty".