40161117 has 8 divisors (see below), whose sum is σ = 56366560. Its totient is φ = 25364880.

The previous prime is 40161113. The next prime is 40161167. The reversal of 40161117 is 71116104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40161117 - 2² = 40161113 is a prime.

It is a super-2 number, since 2×40161117² = 3225830637375378, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40161093 and 40161102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40161113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 352234 + ... + 352347.

It is an arithmetic number, because the mean of its divisors is an integer number (7045820).

Almost surely, 2^40161117 is an apocalyptic number.

It is an amenable number.

40161117 is a deficient number, since it is larger than the sum of its proper divisors (16205443).

40161117 is a wasteful number, since it uses less digits than its factorization.

40161117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704603.

The product of its (nonzero) digits is 168, while the sum is 21.

The square root of 40161117 is about 6337.2799370077. The cubic root of 40161117 is about 342.4537511921.

The spelling of 40161117 in words is "forty million, one hundred sixty-one thousand, one hundred seventeen".