40501217 has 8 divisors (see below), whose sum is σ = 42708960. Its totient is φ = 38301120.

The previous prime is 40501213. The next prime is 40501231. The reversal of 40501217 is 71210504.

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

It is a cyclic number.

It is not a de Polignac number, because 40501217 - 2² = 40501213 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40501213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11417 + ... + 14537.

It is an arithmetic number, because the mean of its divisors is an integer number (5338620).

Almost surely, 2^40501217 is an apocalyptic number.

It is an amenable number.

40501217 is a deficient number, since it is larger than the sum of its proper divisors (2207743).

40501217 is a wasteful number, since it uses less digits than its factorization.

40501217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3823.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 40501217 is about 6364.0566465109. The cubic root of 40501217 is about 343.4177125272.

The spelling of 40501217 in words is "forty million, five hundred one thousand, two hundred seventeen".