5185408188 has 12 divisors (see below), whose sum is σ = 12099285800. Its totient is φ = 1728469392.

The previous prime is 5185408181. The next prime is 5185408271. The reversal of 5185408188 is 8818045815.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5185408181) 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, 216058663 + ... + 216058686.

Almost surely, 2^5185408188 is an apocalyptic number.

It is an amenable number.

5185408188 is an abundant number, since it is smaller than the sum of its proper divisors (6913877612).

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

5185408188 is a wasteful number, since it uses less digits than its factorization.

5185408188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432117356 (or 432117354 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 48.

The square root of 5185408188 is about 72009.7784193230. The cubic root of 5185408188 is about 1730.8561799451.

The spelling of 5185408188 in words is "five billion, one hundred eighty-five million, four hundred eight thousand, one hundred eighty-eight".