40045304303 has 16 divisors (see below), whose sum is σ = 40813325280. Its totient is φ = 39282672000.

The previous prime is 40045304251. The next prime is 40045304311. The reversal of 40045304303 is 30340354004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40045304303 - 2¹⁸ = 40045042159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40045304353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30779753 + ... + 30781053.

It is an arithmetic number, because the mean of its divisors is an integer number (2550832830).

Almost surely, 2^40045304303 is an apocalyptic number.

40045304303 is a deficient number, since it is larger than the sum of its proper divisors (768020977).

40045304303 is a wasteful number, since it uses less digits than its factorization.

40045304303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 8640, while the sum is 26.

Adding to 40045304303 its reverse (30340354004), we get a palindrome (70385658307).

The spelling of 40045304303 in words is "forty billion, forty-five million, three hundred four thousand, three hundred three".