4188140 has 24 divisors (see below), whose sum is σ = 9595152. Its totient is φ = 1522880.

The previous prime is 4188133. The next prime is 4188161. The reversal of 4188140 is 418814.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9299 + ... + 9738.

It is an arithmetic number, because the mean of its divisors is an integer number (399798).

Almost surely, 2^4188140 is an apocalyptic number.

It is an amenable number.

4188140 is an abundant number, since it is smaller than the sum of its proper divisors (5407012).

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

4188140 is a wasteful number, since it uses less digits than its factorization.

4188140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19057 (or 19055 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 4188140 is about 2046.4945638823. The cubic root of 4188140 is about 161.1908542572.

It can be divided in two parts, 418 and 8140, that added together give a palindrome (8558).

The spelling of 4188140 in words is "four million, one hundred eighty-eight thousand, one hundred forty".