194224242511872 has 312 divisors, whose sum is σ = 564327512130720. Its totient is φ = 64361013903360.

The previous prime is 194224242511853. The next prime is 194224242511931. The reversal of 194224242511872 is 278115242422491.

194224242511872 is a `hidden beast` number, since 1 + 9 + 4 + 2 + 2 + 4 + 2 + 42 + 511 + 87 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5782359654 + ... + 5782393242.

It is an arithmetic number, because the mean of its divisors is an integer number (1808742026060).

Almost surely, 2^{194224242511872} is an apocalyptic number.

194224242511872 is a gapful number since it is divisible by the number (12) 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 194224242511872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282163756065360).

194224242511872 is an abundant number, since it is smaller than the sum of its proper divisors (370103269618848).

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

194224242511872 is a wasteful number, since it uses less digits than its factorization.

194224242511872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34537 (or 34512 counting only the distinct ones).

The product of its digits is 5160960, while the sum is 54.

The spelling of 194224242511872 in words is "one hundred ninety-four trillion, two hundred twenty-four billion, two hundred forty-two million, five hundred eleven thousand, eight hundred seventy-two".