40045306 has 16 divisors (see below), whose sum is σ = 69814080. Its totient is φ = 16871040.

The previous prime is 40045303. The next prime is 40045309. The reversal of 40045306 is 60354004.

40045306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40045303) and next prime (40045309).

It is not an unprimeable number, because it can be changed into a prime (40045301) 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, 23415 + ... + 25066.

It is an arithmetic number, because the mean of its divisors is an integer number (4363380).

Almost surely, 2^40045306 is an apocalyptic number.

40045306 is a deficient number, since it is larger than the sum of its proper divisors (29768774).

40045306 is a wasteful number, since it uses less digits than its factorization.

40045306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48549.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 40045306 is about 6328.1360604842. The cubic root of 40045306 is about 342.1242609004.

The spelling of 40045306 in words is "forty million, forty-five thousand, three hundred six".