40797117 has 12 divisors (see below), whose sum is σ = 59063004. Its totient is φ = 27136320.

The previous prime is 40797109. The next prime is 40797139. The reversal of 40797117 is 71179704.

It can be written as a sum of positive squares in 2 ways, for example, as 17089956 + 23707161 = 4134^2 + 4869^2 .

It is not a de Polignac number, because 40797117 - 2³ = 40797109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40797187) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 768 + ... + 9065.

It is an arithmetic number, because the mean of its divisors is an integer number (4921917).

Almost surely, 2^40797117 is an apocalyptic number.

It is an amenable number.

40797117 is a deficient number, since it is larger than the sum of its proper divisors (18265887).

40797117 is a wasteful number, since it uses less digits than its factorization.

40797117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10300 (or 10297 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 40797117 is about 6387.2620895028. The cubic root of 40797117 is about 344.2520152783.

The spelling of 40797117 in words is "forty million, seven hundred ninety-seven thousand, one hundred seventeen".