4100128538 has 8 divisors (see below), whose sum is σ = 6709301280. Its totient is φ = 1863694780.

The previous prime is 4100128531. The next prime is 4100128559. The reversal of 4100128538 is 8358210014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×4100128538² = 33622108056244034888, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4100128531) by changing a digit.

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, 93184718 + ... + 93184761.

It is an arithmetic number, because the mean of its divisors is an integer number (838662660).

Almost surely, 2^4100128538 is an apocalyptic number.

4100128538 is a deficient number, since it is larger than the sum of its proper divisors (2609172742).

4100128538 is a wasteful number, since it uses less digits than its factorization.

4100128538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186369492.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 4100128538 is about 64032.2460796121. The cubic root of 4100128538 is about 1600.5373895397.

The spelling of 4100128538 in words is "four billion, one hundred million, one hundred twenty-eight thousand, five hundred thirty-eight".