40235706317 has 4 divisors (see below), whose sum is σ = 40329061056. Its totient is φ = 40142351580.

The previous prime is 40235706299. The next prime is 40235706349. The reversal of 40235706317 is 71360753204.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40235706317 - 2⁸ = 40235706061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40235706367) 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, 46676723 + ... + 46677584.

It is an arithmetic number, because the mean of its divisors is an integer number (10082265264).

Almost surely, 2^40235706317 is an apocalyptic number.

It is an amenable number.

40235706317 is a deficient number, since it is larger than the sum of its proper divisors (93354739).

40235706317 is an equidigital number, since it uses as much as digits as its factorization.

40235706317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93354738.

The product of its (nonzero) digits is 105840, while the sum is 38.

The spelling of 40235706317 in words is "forty billion, two hundred thirty-five million, seven hundred six thousand, three hundred seventeen".