40215000317 has 4 divisors (see below), whose sum is σ = 40295592000. Its totient is φ = 40134408636.

The previous prime is 40215000289. The next prime is 40215000389. The reversal of 40215000317 is 71300051204.

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-40215000317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40215000292 and 40215000301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40215000817) 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 3 ways as a sum of consecutive naturals, for example, 40295093 + ... + 40296090.

It is an arithmetic number, because the mean of its divisors is an integer number (10073898000).

Almost surely, 2^40215000317 is an apocalyptic number.

It is an amenable number.

40215000317 is a deficient number, since it is larger than the sum of its proper divisors (80591683).

40215000317 is an equidigital number, since it uses as much as digits as its factorization.

40215000317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80591682.

The product of its (nonzero) digits is 840, while the sum is 23.

The spelling of 40215000317 in words is "forty billion, two hundred fifteen million, three hundred seventeen", and thus it is an aban number.