40000000017 has 4 divisors (see below), whose sum is σ = 53333333360. Its totient is φ = 26666666676.

The previous prime is 40000000003. The next prime is 40000000031. The reversal of 40000000017 is 71000000004.

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 an interprime number because it is at equal distance from previous prime (40000000003) and next prime (40000000031).

It is not a de Polignac number, because 40000000017 - 2¹⁴ = 39999983633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40000002017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666666667 + ... + 6666666672.

It is an arithmetic number, because the mean of its divisors is an integer number (13333333340).

Almost surely, 2^40000000017 is an apocalyptic number.

It is an amenable number.

40000000017 is a deficient number, since it is larger than the sum of its proper divisors (13333333343).

40000000017 is a wasteful number, since it uses less digits than its factorization.

40000000017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333333342.

The product of its (nonzero) digits is 28, while the sum is 12.

The spelling of 40000000017 in words is "forty billion, seventeen", and thus it is an aban number and an uban number.