40045353205 has 32 divisors (see below), whose sum is σ = 57135818880. Its totient is φ = 26559655680.

The previous prime is 40045353193. The next prime is 40045353209. The reversal of 40045353205 is 50235354004.

It is a happy number.

It is not a de Polignac number, because 40045353205 - 2¹⁵ = 40045320437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40045353209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 278050 + ... + 396739.

It is an arithmetic number, because the mean of its divisors is an integer number (1785494340).

Almost surely, 2^40045353205 is an apocalyptic number.

It is an amenable number.

40045353205 is a deficient number, since it is larger than the sum of its proper divisors (17090465675).

40045353205 is a wasteful number, since it uses less digits than its factorization.

40045353205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674901.

The product of its (nonzero) digits is 36000, while the sum is 31.

The spelling of 40045353205 in words is "forty billion, forty-five million, three hundred fifty-three thousand, two hundred five".