40316045 has 16 divisors (see below), whose sum is σ = 60317568. Its totient is φ = 25131840.

The previous prime is 40316041. The next prime is 40316047. The reversal of 40316045 is 54061304.

It is a happy number.

40316045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40316045 - 2² = 40316041 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40316045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40316041) 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 15 ways as a sum of consecutive naturals, for example, 51974 + ... + 52743.

It is an arithmetic number, because the mean of its divisors is an integer number (3769848).

Almost surely, 2^40316045 is an apocalyptic number.

It is an amenable number.

40316045 is a deficient number, since it is larger than the sum of its proper divisors (20001523).

40316045 is a wasteful number, since it uses less digits than its factorization.

40316045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104740.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40316045 is about 6349.4917119404. The cubic root of 40316045 is about 342.8935430517.

Adding to 40316045 its reverse (54061304), we get a palindrome (94377349).

The spelling of 40316045 in words is "forty million, three hundred sixteen thousand, forty-five".