19796590840896 has 189 divisors, whose sum is σ = 57623734858599. Its totient is φ = 6498023862528.

The previous prime is 19796590840867. The next prime is 19796590840913. The reversal of 19796590840896 is 69804809569791.

The square root of 19796590840896 is 4449336.

It is a perfect power (a square), and thus also a powerful number.

19796590840896 is a `hidden beast` number, since 1 + 9 + 79 + 6 + 59 + 0 + 8 + 408 + 96 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7154530905 + ... + 7154533671.

Almost surely, 2^{19796590840896} is an apocalyptic number.

19796590840896 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

19796590840896 is the 4449336-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19796590840896

19796590840896 is an abundant number, since it is smaller than the sum of its proper divisors (37827144017703).

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

19796590840896 is an frugal number, since it uses more digits than its factorization.

19796590840896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5686 (or 2839 counting only the distinct ones).

The product of its (nonzero) digits is 2116316160, while the sum is 81.

The spelling of 19796590840896 in words is "nineteen trillion, seven hundred ninety-six billion, five hundred ninety million, eight hundred forty thousand, eight hundred ninety-six".