194093755488 has 36 divisors (see below), whose sum is σ = 551954117988. Its totient is φ = 64697918400.

The previous prime is 194093755483. The next prime is 194093755507. The reversal of 194093755488 is 884557390491.

194093755488 is a `hidden beast` number, since 1 + 9 + 40 + 9 + 37 + 554 + 8 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194093755483) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 336968038 + ... + 336968613.

It is an arithmetic number, because the mean of its divisors is an integer number (15332058833).

Almost surely, 2^194093755488 is an apocalyptic number.

194093755488 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

194093755488 is an abundant number, since it is smaller than the sum of its proper divisors (357860362500).

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

194093755488 is a wasteful number, since it uses less digits than its factorization.

194093755488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673936667 (or 673936656 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 194093755488 in words is "one hundred ninety-four billion, ninety-three million, seven hundred fifty-five thousand, four hundred eighty-eight".