405824348161 has 4 divisors (see below), whose sum is σ = 427183524400. Its totient is φ = 384465171924.

The previous prime is 405824348159. The next prime is 405824348179. The reversal of 405824348161 is 161843428504.

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 a cyclic number.

It is not a de Polignac number, because 405824348161 - 2¹ = 405824348159 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (405824345161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10679588091 + ... + 10679588128.

It is an arithmetic number, because the mean of its divisors is an integer number (106795881100).

Almost surely, 2^405824348161 is an apocalyptic number.

It is an amenable number.

405824348161 is a deficient number, since it is larger than the sum of its proper divisors (21359176239).

405824348161 is a wasteful number, since it uses less digits than its factorization.

405824348161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21359176238.

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 405824348161 in words is "four hundred five billion, eight hundred twenty-four million, three hundred forty-eight thousand, one hundred sixty-one".