458142180217 has 16 divisors (see below), whose sum is σ = 476214336000. Its totient is φ = 440277361920.

The previous prime is 458142180191. The next prime is 458142180247. The reversal of 458142180217 is 712081241854.

It is a cyclic number.

It is not a de Polignac number, because 458142180217 - 2³¹ = 455994696569 is a prime.

It is a super-2 number, since 2×458142180217² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (458142180247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23025009 + ... + 23044897.

It is an arithmetic number, because the mean of its divisors is an integer number (29763396000).

Almost surely, 2^458142180217 is an apocalyptic number.

It is an amenable number.

458142180217 is a deficient number, since it is larger than the sum of its proper divisors (18072155783).

458142180217 is a wasteful number, since it uses less digits than its factorization.

458142180217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25056.

The product of its (nonzero) digits is 143360, while the sum is 43.

The spelling of 458142180217 in words is "four hundred fifty-eight billion, one hundred forty-two million, one hundred eighty thousand, two hundred seventeen".