40709242717 has 24 divisors (see below), whose sum is σ = 48301371360. Its totient is φ = 34010758080.

The previous prime is 40709242703. The next prime is 40709242757. The reversal of 40709242717 is 71724290704.

It is not a de Polignac number, because 40709242717 - 2¹⁵ = 40709209949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40709242757) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 373759 + ... + 470227.

It is an arithmetic number, because the mean of its divisors is an integer number (2012557140).

Almost surely, 2^40709242717 is an apocalyptic number.

It is an amenable number.

40709242717 is a deficient number, since it is larger than the sum of its proper divisors (7592128643).

40709242717 is a wasteful number, since it uses less digits than its factorization.

40709242717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96733 (or 96720 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 40709242717 in words is "forty billion, seven hundred nine million, two hundred forty-two thousand, seven hundred seventeen".