19598643547140 has 192 divisors, whose sum is σ = 63369464997888. Its totient is φ = 4433000140800.

The previous prime is 19598643547123. The next prime is 19598643547151. The reversal of 19598643547140 is 4174534689591.

It is a super-2 number, since 2×19598643547140² (a number of 27 digits) contains 22 as substring.

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, 443677255 + ... + 443721425.

It is an arithmetic number, because the mean of its divisors is an integer number (330049296864).

Almost surely, 2^{19598643547140} is an apocalyptic number.

19598643547140 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 19598643547140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31684732498944).

19598643547140 is an abundant number, since it is smaller than the sum of its proper divisors (43770821450748).

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

19598643547140 is a wasteful number, since it uses less digits than its factorization.

19598643547140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55178 (or 55176 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 66.

The spelling of 19598643547140 in words is "nineteen trillion, five hundred ninety-eight billion, six hundred forty-three million, five hundred forty-seven thousand, one hundred forty".