13605470880 has 48 divisors (see below), whose sum is σ = 42857234784. Its totient is φ = 3628125440.

The previous prime is 13605470839. The next prime is 13605470909. The reversal of 13605470880 is 8807450631.

It is a tau number, because it is divible by the number of its divisors (48).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 14171886 + ... + 14172845.

It is an arithmetic number, because the mean of its divisors is an integer number (892859058).

Almost surely, 2^13605470880 is an apocalyptic number.

13605470880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13605470880 is an abundant number, since it is smaller than the sum of its proper divisors (29251763904).

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

13605470880 is a wasteful number, since it uses less digits than its factorization.

13605470880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28344749 (or 28344741 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The spelling of 13605470880 in words is "thirteen billion, six hundred five million, four hundred seventy thousand, eight hundred eighty".