18196980480000 has 1200 divisors, whose sum is σ = 77625412104240. Its totient is φ = 4159143936000.

The previous prime is 18196980479999. The next prime is 18196980480011. The reversal of 18196980480000 is 8408969181.

18196980480000 is a `hidden beast` number, since 1 + 81 + 9 + 6 + 9 + 80 + 480 + 0 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1200).

It is a super-2 number, since 2×18196980480000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 725747464 + ... + 725772536.

Almost surely, 2^{18196980480000} is an apocalyptic number.

18196980480000 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 18196980480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38812706052120).

18196980480000 is an abundant number, since it is smaller than the sum of its proper divisors (59428431624240).

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

18196980480000 is an frugal number, since it uses more digits than its factorization.

18196980480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25134 (or 25090 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 54.

The spelling of 18196980480000 in words is "eighteen trillion, one hundred ninety-six billion, nine hundred eighty million, four hundred eighty thousand".