40105575589 has 2 divisors, whose sum is σ = 40105575590. Its totient is φ = 40105575588.

The previous prime is 40105575583. The next prime is 40105575599. The reversal of 40105575589 is 98557550104.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32268014689 + 7837560900 = 179633^2 + 88530^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40105575589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40105575583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20052787794 + 20052787795.

It is an arithmetic number, because the mean of its divisors is an integer number (20052787795).

Almost surely, 2^40105575589 is an apocalyptic number.

It is an amenable number.

40105575589 is a deficient number, since it is larger than the sum of its proper divisors (1).

40105575589 is an equidigital number, since it uses as much as digits as its factorization.

40105575589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260000, while the sum is 49.

The spelling of 40105575589 in words is "forty billion, one hundred five million, five hundred seventy-five thousand, five hundred eighty-nine".