19478443485600 has 1152 divisors, whose sum is σ = 80289621135360. Its totient is φ = 4511282688000.

The previous prime is 19478443485583. The next prime is 19478443485601. The reversal of 19478443485600 is 658434487491.

19478443485600 is a `hidden beast` number, since 1 + 9 + 47 + 84 + 434 + 85 + 6 + 0 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (19478443485601) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6104180005 + ... + 6104183195.

It is an arithmetic number, because the mean of its divisors is an integer number (69695851680).

Almost surely, 2^{19478443485600} is an apocalyptic number.

19478443485600 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 19478443485600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40144810567680).

19478443485600 is an abundant number, since it is smaller than the sum of its proper divisors (60811177649760).

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

19478443485600 is a wasteful number, since it uses less digits than its factorization.

19478443485600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371 (or 4352 counting only the distinct ones).

The product of its (nonzero) digits is 92897280, while the sum is 63.

The spelling of 19478443485600 in words is "nineteen trillion, four hundred seventy-eight billion, four hundred forty-three million, four hundred eighty-five thousand, six hundred".