194385288084 has 192 divisors, whose sum is σ = 531514368000. Its totient is φ = 54756103680.

The previous prime is 194385288037. The next prime is 194385288131. The reversal of 194385288084 is 480882583491.

It is an interprime number because it is at equal distance from previous prime (194385288037) and next prime (194385288131).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 98223007 + ... + 98224985.

It is an arithmetic number, because the mean of its divisors is an integer number (2768304000).

Almost surely, 2^194385288084 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194385288084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265757184000).

194385288084 is an abundant number, since it is smaller than the sum of its proper divisors (337129079916).

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

194385288084 is a wasteful number, since it uses less digits than its factorization.

194385288084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3118 (or 3116 counting only the distinct ones).

The product of its (nonzero) digits is 17694720, while the sum is 60.

The spelling of 194385288084 in words is "one hundred ninety-four billion, three hundred eighty-five million, two hundred eighty-eight thousand, eighty-four".