19710442080 has 432 divisors, whose sum is σ = 78853188960. Its totient is φ = 4470165504.

The previous prime is 19710442067. The next prime is 19710442117. The reversal of 19710442080 is 8024401791.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9665701 + ... + 9667739.

It is an arithmetic number, because the mean of its divisors is an integer number (182530530).

Almost surely, 2^19710442080 is an apocalyptic number.

19710442080 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 19710442080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39426594480).

19710442080 is an abundant number, since it is smaller than the sum of its proper divisors (59142746880).

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

19710442080 is a wasteful number, since it uses less digits than its factorization.

19710442080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2211 (or 2193 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The spelling of 19710442080 in words is "nineteen billion, seven hundred ten million, four hundred forty-two thousand, eighty".