405534504105 has 24 divisors (see below), whose sum is σ = 703017743688. Its totient is φ = 216256985856.

The previous prime is 405534504091. The next prime is 405534504121. The reversal of 405534504105 is 501405435504.

405534504105 is a `hidden beast` number, since 40 + 5 + 5 + 3 + 4 + 504 + 105 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 307678777344 + 97855726761 = 554688^2 + 312819^2 .

It is not a de Polignac number, because 405534504105 - 2¹³ = 405534495913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 405534504105.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232302 + ... + 930071.

It is an arithmetic number, because the mean of its divisors is an integer number (29292405987).

Almost surely, 2^405534504105 is an apocalyptic number.

405534504105 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

405534504105 is a deficient number, since it is larger than the sum of its proper divisors (297483239583).

405534504105 is a wasteful number, since it uses less digits than its factorization.

405534504105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1170137 (or 1170134 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

Adding to 405534504105 its reverse (501405435504), we get a palindrome (906939939609).

The spelling of 405534504105 in words is "four hundred five billion, five hundred thirty-four million, five hundred four thousand, one hundred five".