40209458417 has 8 divisors (see below), whose sum is σ = 40679459712. Its totient is φ = 39741202000.

The previous prime is 40209458411. The next prime is 40209458447. The reversal of 40209458417 is 71485490204.

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 40209458417 - 2¹⁴ = 40209442033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40209458411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389834 + ... + 482067.

It is an arithmetic number, because the mean of its divisors is an integer number (5084932464).

Almost surely, 2^40209458417 is an apocalyptic number.

It is an amenable number.

40209458417 is a deficient number, since it is larger than the sum of its proper divisors (470001295).

40209458417 is a wasteful number, since it uses less digits than its factorization.

40209458417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872439.

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 40209458417 in words is "forty billion, two hundred nine million, four hundred fifty-eight thousand, four hundred seventeen".