40743518117 has 4 divisors (see below), whose sum is σ = 40744831200. Its totient is φ = 40742205036.

The previous prime is 40743518099. The next prime is 40743518119. The reversal of 40743518117 is 71181534704.

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 a de Polignac number, because none of the positive numbers 2^k-40743518117 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 (40743518119) 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 in 3 ways as a sum of consecutive naturals, for example, 608843 + ... + 672440.

It is an arithmetic number, because the mean of its divisors is an integer number (10186207800).

Almost surely, 2^40743518117 is an apocalyptic number.

It is an amenable number.

40743518117 is a deficient number, since it is larger than the sum of its proper divisors (1313083).

40743518117 is a wasteful number, since it uses less digits than its factorization.

40743518117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1313082.

The product of its (nonzero) digits is 94080, while the sum is 41.

The spelling of 40743518117 in words is "forty billion, seven hundred forty-three million, five hundred eighteen thousand, one hundred seventeen".