4087138188 has 24 divisors (see below), whose sum is σ = 10899035392. Its totient is φ = 1167753744.

The previous prime is 4087138151. The next prime is 4087138201. The reversal of 4087138188 is 8818317804.

It is a zygodrome in base 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24328120 + ... + 24328287.

Almost surely, 2^4087138188 is an apocalyptic number.

It is an amenable number.

4087138188 is an abundant number, since it is smaller than the sum of its proper divisors (6811897204).

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

4087138188 is a wasteful number, since it uses less digits than its factorization.

4087138188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48656421 (or 48656419 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 48.

The square root of 4087138188 is about 63930.7296063482. The cubic root of 4087138188 is about 1598.8452850755.

The spelling of 4087138188 in words is "four billion, eighty-seven million, one hundred thirty-eight thousand, one hundred eighty-eight".