40716257705 has 4 divisors (see below), whose sum is σ = 48859509252. Its totient is φ = 32573006160.

The previous prime is 40716257641. The next prime is 40716257707. The reversal of 40716257705 is 50775261704.

40716257705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15192041536 + 25524216169 = 123256^2 + 159763^2 .

It is not a de Polignac number, because 40716257705 - 2⁶ = 40716257641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40716257707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4071625766 + ... + 4071625775.

It is an arithmetic number, because the mean of its divisors is an integer number (12214877313).

Almost surely, 2^40716257705 is an apocalyptic number.

It is an amenable number.

40716257705 is a deficient number, since it is larger than the sum of its proper divisors (8143251547).

40716257705 is an equidigital number, since it uses as much as digits as its factorization.

40716257705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8143251546.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 40716257705 in words is "forty billion, seven hundred sixteen million, two hundred fifty-seven thousand, seven hundred five".