40575359784929 has 2 divisors, whose sum is σ = 40575359784930. Its totient is φ = 40575359784928.

The previous prime is 40575359784893. The next prime is 40575359785021. The reversal of 40575359784929 is 92948795357504.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36311229774400 + 4264130010529 = 6025880^2 + 2064977^2 .

It is a cyclic number.

It is not a de Polignac number, because 40575359784929 - 2³⁶ = 40506640308193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40575359784929.

It is not a weakly prime, because it can be changed into another prime (40575359780929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20287679892464 + 20287679892465.

It is an arithmetic number, because the mean of its divisors is an integer number (20287679892465).

Almost surely, 2^{40575359784929} is an apocalyptic number.

It is an amenable number.

40575359784929 is a deficient number, since it is larger than the sum of its proper divisors (1).

40575359784929 is an equidigital number, since it uses as much as digits as its factorization.

40575359784929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3429216000, while the sum is 77.

The spelling of 40575359784929 in words is "forty trillion, five hundred seventy-five billion, three hundred fifty-nine million, seven hundred eighty-four thousand, nine hundred twenty-nine".