19748846880 has 288 divisors, whose sum is σ = 79677561600. Its totient is φ = 4358301696.

The previous prime is 19748846869. The next prime is 19748846917. The reversal of 19748846880 is 8864884791.

19748846880 is a `hidden beast` number, since 1 + 97 + 4 + 8 + 8 + 468 + 80 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (63).

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 47 ways as a sum of consecutive naturals, for example, 258541 + ... + 326099.

It is an arithmetic number, because the mean of its divisors is an integer number (276658200).

Almost surely, 2^19748846880 is an apocalyptic number.

19748846880 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 19748846880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39838780800).

19748846880 is an abundant number, since it is smaller than the sum of its proper divisors (59928714720).

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

19748846880 is a wasteful number, since it uses less digits than its factorization.

19748846880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67616 (or 67605 counting only the distinct ones).

The product of its (nonzero) digits is 24772608, while the sum is 63.

The spelling of 19748846880 in words is "nineteen billion, seven hundred forty-eight million, eight hundred forty-six thousand, eight hundred eighty".