194549993232 has 160 divisors (see below), whose sum is σ = 607785861120. Its totient is φ = 52384112640.

The previous prime is 194549993219. The next prime is 194549993269. The reversal of 194549993232 is 232399945491.

194549993232 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×194549993232⁴ (a number of 46 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1139568 + ... + 1299120.

It is an arithmetic number, because the mean of its divisors is an integer number (3798661632).

Almost surely, 2^194549993232 is an apocalyptic number.

194549993232 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 194549993232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303892930560).

194549993232 is an abundant number, since it is smaller than the sum of its proper divisors (413235867888).

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

194549993232 is a wasteful number, since it uses less digits than its factorization.

194549993232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159781 (or 159775 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 60.

The spelling of 194549993232 in words is "one hundred ninety-four billion, five hundred forty-nine million, nine hundred ninety-three thousand, two hundred thirty-two".