40117318 has 8 divisors (see below), whose sum is σ = 60283080. Its totient is φ = 20022960.

The previous prime is 40117307. The next prime is 40117327. The reversal of 40117318 is 81371104.

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

It is a junction number, because it is equal to n+sod(n) for n = 40117292 and 40117301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16423 + ... + 18706.

It is an arithmetic number, because the mean of its divisors is an integer number (7535385).

Almost surely, 2^40117318 is an apocalyptic number.

40117318 is a deficient number, since it is larger than the sum of its proper divisors (20165762).

40117318 is a wasteful number, since it uses less digits than its factorization.

40117318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35702.

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 40117318 is about 6333.8233319220. The cubic root of 40117318 is about 342.3292145849.

The spelling of 40117318 in words is "forty million, one hundred seventeen thousand, three hundred eighteen".