19716738492480 has 224 divisors, whose sum is σ = 62673986960640. Its totient is φ = 5251641507840.

The previous prime is 19716738492457. The next prime is 19716738492481. The reversal of 19716738492480 is 8429483761791.

It is not an unprimeable number, because it can be changed into a prime (19716738492481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4169322756 + ... + 4169327484.

Almost surely, 2^{19716738492480} is an apocalyptic number.

19716738492480 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 19716738492480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31336993480320).

19716738492480 is an abundant number, since it is smaller than the sum of its proper divisors (42957248468160).

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

19716738492480 is a wasteful number, since it uses less digits than its factorization.

19716738492480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8917 (or 8907 counting only the distinct ones).

The product of its (nonzero) digits is 146313216, while the sum is 69.

The spelling of 19716738492480 in words is "nineteen trillion, seven hundred sixteen billion, seven hundred thirty-eight million, four hundred ninety-two thousand, four hundred eighty".