194514832520 has 16 divisors (see below), whose sum is σ = 437658373260. Its totient is φ = 77805932992.

The previous prime is 194514832433. The next prime is 194514832537. The reversal of 194514832520 is 25238415491.

194514832520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 192129682276 + 2385150244 = 438326^2 + 48838^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2431435367 + ... + 2431435446.

Almost surely, 2^194514832520 is an apocalyptic number.

194514832520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194514832520 is an abundant number, since it is smaller than the sum of its proper divisors (243143540740).

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

194514832520 is a wasteful number, since it uses less digits than its factorization.

194514832520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862870824 (or 4862870820 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 194514832520 in words is "one hundred ninety-four billion, five hundred fourteen million, eight hundred thirty-two thousand, five hundred twenty".