19817041130240 has 36 divisors (see below), whose sum is σ = 47468006335344. Its totient is φ = 7926816451584.

The previous prime is 19817041130233. The next prime is 19817041130267. The reversal of 19817041130240 is 4203114071891.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7741030412 + ... + 7741032971.

Almost surely, 2^{19817041130240} is an apocalyptic number.

19817041130240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19817041130240 is an abundant number, since it is smaller than the sum of its proper divisors (27650965205104).

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

19817041130240 is an equidigital number, since it uses as much as digits as its factorization.

19817041130240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15482063404 (or 15482063390 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 19817041130240 in words is "nineteen trillion, eight hundred seventeen billion, forty-one million, one hundred thirty thousand, two hundred forty".