19982696027832 has 144 divisors (see below), whose sum is σ = 55928825470440. Its totient is φ = 6445234800000.

The previous prime is 19982696027783. The next prime is 19982696027867. The reversal of 19982696027832 is 23872069628991.

19982696027832 is a `hidden beast` number, since 1 + 9 + 9 + 8 + 2 + 6 + 9 + 602 + 7 + 8 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 859422207 + ... + 859445457.

Almost surely, 2^{19982696027832} is an apocalyptic number.

19982696027832 is a gapful number since it is divisible by the number (12) 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 19982696027832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27964412735220).

19982696027832 is an abundant number, since it is smaller than the sum of its proper divisors (35946129442608).

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

19982696027832 is a wasteful number, since it uses less digits than its factorization.

19982696027832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35746 (or 35708 counting only the distinct ones).

The product of its (nonzero) digits is 282175488, while the sum is 72.

The spelling of 19982696027832 in words is "nineteen trillion, nine hundred eighty-two billion, six hundred ninety-six million, twenty-seven thousand, eight hundred thirty-two".