40161045203 has 2 divisors, whose sum is σ = 40161045204. Its totient is φ = 40161045202.

The previous prime is 40161045193. The next prime is 40161045227. The reversal of 40161045203 is 30254016104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40161045203 - 2⁴ = 40161045187 is a prime.

It is a super-2 number, since 2×40161045203² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40161045403) 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 as a sum of consecutive naturals, namely, 20080522601 + 20080522602.

It is an arithmetic number, because the mean of its divisors is an integer number (20080522602).

Almost surely, 2^40161045203 is an apocalyptic number.

40161045203 is a deficient number, since it is larger than the sum of its proper divisors (1).

40161045203 is an equidigital number, since it uses as much as digits as its factorization.

40161045203 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The spelling of 40161045203 in words is "forty billion, one hundred sixty-one million, forty-five thousand, two hundred three".