40385753 has 4 divisors (see below), whose sum is σ = 40562340. Its totient is φ = 40209168.

The previous prime is 40385747. The next prime is 40385783. The reversal of 40385753 is 35758304.

40385753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27331984 + 13053769 = 5228^2 + 3613^2 .

It is a cyclic number.

It is not a de Polignac number, because 40385753 - 2⁶ = 40385689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40385713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87950 + ... + 88407.

It is an arithmetic number, because the mean of its divisors is an integer number (10140585).

Almost surely, 2^40385753 is an apocalyptic number.

It is an amenable number.

40385753 is a deficient number, since it is larger than the sum of its proper divisors (176587).

40385753 is a wasteful number, since it uses less digits than its factorization.

40385753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176586.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 40385753 is about 6354.9785994919. The cubic root of 40385753 is about 343.0910546565.

The spelling of 40385753 in words is "forty million, three hundred eighty-five thousand, seven hundred fifty-three".