405308168073 has 6 divisors (see below), whose sum is σ = 585445131674. Its totient is φ = 270205445376.

The previous prime is 405308168063. The next prime is 405308168077. The reversal of 405308168073 is 370861803504.

405308168073 is a `hidden beast` number, since 40 + 530 + 8 + 1 + 6 + 8 + 0 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 403005319929 + 2302848144 = 634827^2 + 47988^2 .

It is not a de Polignac number, because 405308168073 - 2⁶ = 405308168009 is a prime.

It is a super-2 number, since 2×405308168073² (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 (405308168077) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22517120440 + ... + 22517120457.

Almost surely, 2^405308168073 is an apocalyptic number.

It is an amenable number.

405308168073 is a deficient number, since it is larger than the sum of its proper divisors (180136963601).

405308168073 is a wasteful number, since it uses less digits than its factorization.

405308168073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45034240903 (or 45034240900 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 405308168073 in words is "four hundred five billion, three hundred eight million, one hundred sixty-eight thousand, seventy-three".