40061735117 has 4 divisors (see below), whose sum is σ = 40076353596. Its totient is φ = 40047116640.

The previous prime is 40061735113. The next prime is 40061735141. The reversal of 40061735117 is 71153716004.

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 29334783076 + 10726952041 = 171274^2 + 103571^2 .

It is a cyclic number.

It is not a de Polignac number, because 40061735117 - 2² = 40061735113 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 (40061735111) 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, 7305128 + ... + 7310609.

It is an arithmetic number, because the mean of its divisors is an integer number (10019088399).

Almost surely, 2^40061735117 is an apocalyptic number.

It is an amenable number.

40061735117 is a deficient number, since it is larger than the sum of its proper divisors (14618479).

40061735117 is a wasteful number, since it uses less digits than its factorization.

40061735117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14618478.

The product of its (nonzero) digits is 17640, while the sum is 35.

The spelling of 40061735117 in words is "forty billion, sixty-one million, seven hundred thirty-five thousand, one hundred seventeen".