13618860000 has 240 divisors, whose sum is σ = 45417124368. Its totient is φ = 3572160000.

The previous prime is 13618859977. The next prime is 13618860001. The reversal of 13618860000 is 6881631.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 3050 × 1830 × 2440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13618860001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 223259970 + ... + 223260030.

Almost surely, 2^13618860000 is an apocalyptic number.

13618860000 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 13618860000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22708562184).

13618860000 is an abundant number, since it is smaller than the sum of its proper divisors (31798264368).

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

13618860000 is an frugal number, since it uses more digits than its factorization.

13618860000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The spelling of 13618860000 in words is "thirteen billion, six hundred eighteen million, eight hundred sixty thousand".