13604394180 has 192 divisors, whose sum is σ = 42108853248. Its totient is φ = 3260597760.

The previous prime is 13604394149. The next prime is 13604394319. The reversal of 13604394180 is 8149340631.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 19687635 + ... + 19688325.

It is an arithmetic number, because the mean of its divisors is an integer number (219316944).

Almost surely, 2^13604394180 is an apocalyptic number.

13604394180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13604394180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21054426624).

13604394180 is an abundant number, since it is smaller than the sum of its proper divisors (28504459068).

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

13604394180 is a wasteful number, since it uses less digits than its factorization.

13604394180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346 (or 1344 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 13604394180 in words is "thirteen billion, six hundred four million, three hundred ninety-four thousand, one hundred eighty".