40231761317 has 4 divisors (see below), whose sum is σ = 43889194176. Its totient is φ = 36574328460.

The previous prime is 40231761313. The next prime is 40231761379. The reversal of 40231761317 is 71316713204.

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 40231761317 - 2² = 40231761313 is a prime.

It is a super-4 number, since 4×40231761317⁴ (a number of 44 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40231761313) 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, 1828716413 + ... + 1828716434.

It is an arithmetic number, because the mean of its divisors is an integer number (10972298544).

Almost surely, 2^40231761317 is an apocalyptic number.

It is an amenable number.

40231761317 is a deficient number, since it is larger than the sum of its proper divisors (3657432859).

40231761317 is a wasteful number, since it uses less digits than its factorization.

40231761317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3657432858.

The product of its (nonzero) digits is 21168, while the sum is 35.

The spelling of 40231761317 in words is "forty billion, two hundred thirty-one million, seven hundred sixty-one thousand, three hundred seventeen".