194388474088 has 16 divisors (see below), whose sum is σ = 366892155360. Its totient is φ = 96550566000.

The previous prime is 194388474083. The next prime is 194388474199. The reversal of 194388474088 is 880474883491.

It is a super-2 number, since 2×194388474088² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (194388474083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80457598 + ... + 80460013.

It is an arithmetic number, because the mean of its divisors is an integer number (22930759710).

Almost surely, 2^194388474088 is an apocalyptic number.

It is an amenable number.

194388474088 is a deficient number, since it is larger than the sum of its proper divisors (172503681272).

194388474088 is a wasteful number, since it uses less digits than its factorization.

194388474088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160917768 (or 160917764 counting only the distinct ones).

The product of its (nonzero) digits is 49545216, while the sum is 64.

The spelling of 194388474088 in words is "one hundred ninety-four billion, three hundred eighty-eight million, four hundred seventy-four thousand, eighty-eight".