40232385709 has 2 divisors, whose sum is σ = 40232385710. Its totient is φ = 40232385708.

The previous prime is 40232385673. The next prime is 40232385731. The reversal of 40232385709 is 90758323204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30202964100 + 10029421609 = 173790^2 + 100147^2 .

It is a cyclic number.

It is not a de Polignac number, because 40232385709 - 2¹⁷ = 40232254637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40232385779) 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, 20116192854 + 20116192855.

It is an arithmetic number, because the mean of its divisors is an integer number (20116192855).

Almost surely, 2^40232385709 is an apocalyptic number.

It is an amenable number.

40232385709 is a deficient number, since it is larger than the sum of its proper divisors (1).

40232385709 is an equidigital number, since it uses as much as digits as its factorization.

40232385709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 40232385709 in words is "forty billion, two hundred thirty-two million, three hundred eighty-five thousand, seven hundred nine".