404552747161 has 8 divisors (see below), whose sum is σ = 405137472264. Its totient is φ = 403968216960.

The previous prime is 404552747143. The next prime is 404552747197. The reversal of 404552747161 is 161747255404.

It can be written as a sum of positive squares in 4 ways, for example, as 19482855561 + 385069891600 = 139581^2 + 620540^2 .

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 404552747161 - 2⁹ = 404552746649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404553747161) 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 7 ways as a sum of consecutive naturals, for example, 4396141 + ... + 4487221.

It is an arithmetic number, because the mean of its divisors is an integer number (50642184033).

Almost surely, 2^404552747161 is an apocalyptic number.

It is an amenable number.

404552747161 is a deficient number, since it is larger than the sum of its proper divisors (584725103).

404552747161 is an equidigital number, since it uses as much as digits as its factorization.

404552747161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97451.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 404552747161 in words is "four hundred four billion, five hundred fifty-two million, seven hundred forty-seven thousand, one hundred sixty-one".