405205531130 has 16 divisors (see below), whose sum is σ = 731153264040. Its totient is φ = 161685921792.

The previous prime is 405205531123. The next prime is 405205531151. The reversal of 405205531130 is 31135502504.

It can be written as a sum of positive squares in 4 ways, for example, as 343031604721 + 62173926409 = 585689^2 + 249347^2 .

It is a junction number, because it is equal to n+sod(n) for n = 405205531093 and 405205531102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49532039 + ... + 49540218.

Almost surely, 2^405205531130 is an apocalyptic number.

405205531130 is a deficient number, since it is larger than the sum of its proper divisors (325947732910).

405205531130 is a wasteful number, since it uses less digits than its factorization.

405205531130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99072673.

The product of its (nonzero) digits is 9000, while the sum is 29.

The spelling of 405205531130 in words is "four hundred five billion, two hundred five million, five hundred thirty-one thousand, one hundred thirty".