40675589 has 2 divisors, whose sum is σ = 40675590. Its totient is φ = 40675588.

The previous prime is 40675573. The next prime is 40675643. The reversal of 40675589 is 98557604.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40538689 + 136900 = 6367^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 40675589 - 2⁴ = 40675573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40675489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20337794 + 20337795.

It is an arithmetic number, because the mean of its divisors is an integer number (20337795).

Almost surely, 2^40675589 is an apocalyptic number.

It is an amenable number.

40675589 is a deficient number, since it is larger than the sum of its proper divisors (1).

40675589 is an equidigital number, since it uses as much as digits as its factorization.

40675589 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 302400, while the sum is 44.

The square root of 40675589 is about 6377.7416849540. The cubic root of 40675589 is about 343.9098516483.

The spelling of 40675589 in words is "forty million, six hundred seventy-five thousand, five hundred eighty-nine".