636041038 has 8 divisors (see below), whose sum is σ = 954628200. Its totient is φ = 317831640.

The previous prime is 636041033. The next prime is 636041047. The reversal of 636041038 is 830140636.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636041033) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 90193 + ... + 96988.

It is an arithmetic number, because the mean of its divisors is an integer number (119328525).

Almost surely, 2^636041038 is an apocalyptic number.

636041038 is a deficient number, since it is larger than the sum of its proper divisors (318587162).

636041038 is a wasteful number, since it uses less digits than its factorization.

636041038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188882.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 636041038 is about 25219.8540439869. The cubic root of 636041038 is about 859.9932566625.

The spelling of 636041038 in words is "six hundred thirty-six million, forty-one thousand, thirty-eight".