40283785 has 8 divisors (see below), whose sum is σ = 48395016. Its totient is φ = 32190720.

The previous prime is 40283783. The next prime is 40283791. The reversal of 40283785 is 58738204.

40283785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 7382089 + 32901696 = 2717^2 + 5736^2 .

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

It is not a de Polignac number, because 40283785 - 2¹ = 40283783 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40283783) 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 7 ways as a sum of consecutive naturals, for example, 945 + ... + 9025.

It is an arithmetic number, because the mean of its divisors is an integer number (6049377).

Almost surely, 2^40283785 is an apocalyptic number.

It is an amenable number.

40283785 is a deficient number, since it is larger than the sum of its proper divisors (8111231).

40283785 is an equidigital number, since it uses as much as digits as its factorization.

40283785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9083.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 40283785 is about 6346.9508427276. The cubic root of 40283785 is about 342.8020600580.

The spelling of 40283785 in words is "forty million, two hundred eighty-three thousand, seven hundred eighty-five".