40544318117 has 16 divisors (see below), whose sum is σ = 42095813760. Its totient is φ = 39024018432.

The previous prime is 40544318083. The next prime is 40544318119. The reversal of 40544318117 is 71181344504.

It is a cyclic number.

It is not a de Polignac number, because 40544318117 - 2⁶ = 40544318053 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 (40544318119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 950984 + ... + 992702.

It is an arithmetic number, because the mean of its divisors is an integer number (2630988360).

Almost surely, 2^40544318117 is an apocalyptic number.

It is an amenable number.

40544318117 is a deficient number, since it is larger than the sum of its proper divisors (1551495643).

40544318117 is a wasteful number, since it uses less digits than its factorization.

40544318117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42092.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 40544318117 in words is "forty billion, five hundred forty-four million, three hundred eighteen thousand, one hundred seventeen".