40134843861717 has 96 divisors (see below), whose sum is σ = 62261918611200. Its totient is φ = 22933574737920.

The previous prime is 40134843861631. The next prime is 40134843861719. The reversal of 40134843861717 is 71716834843104.

It is a happy number.

It is not a de Polignac number, because 40134843861717 - 2⁸ = 40134843861461 is a prime.

It is a super-2 number, since 2×40134843861717² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40134843861719) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 175523659 + ... + 175752167.

It is an arithmetic number, because the mean of its divisors is an integer number (648561652200).

Almost surely, 2^{40134843861717} is an apocalyptic number.

It is an amenable number.

40134843861717 is a deficient number, since it is larger than the sum of its proper divisors (22127074749483).

40134843861717 is a wasteful number, since it uses less digits than its factorization.

40134843861717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228859 (or 228848 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 40134843861717 in words is "forty trillion, one hundred thirty-four billion, eight hundred forty-three million, eight hundred sixty-one thousand, seven hundred seventeen".