40117417 has 4 divisors (see below), whose sum is σ = 42228880. Its totient is φ = 38005956.

The previous prime is 40117381. The next prime is 40117421. The reversal of 40117417 is 71471104.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40117417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40117391 and 40117400.

It is not an unprimeable number, because it can be changed into a prime (40117447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1055703 + ... + 1055740.

It is an arithmetic number, because the mean of its divisors is an integer number (10557220).

Almost surely, 2^40117417 is an apocalyptic number.

It is an amenable number.

40117417 is a deficient number, since it is larger than the sum of its proper divisors (2111463).

40117417 is a wasteful number, since it uses less digits than its factorization.

40117417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2111462.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 40117417 is about 6333.8311471020. The cubic root of 40117417 is about 342.3294961804.

The spelling of 40117417 in words is "forty million, one hundred seventeen thousand, four hundred seventeen".