8405323045 has 16 divisors (see below), whose sum is σ = 11762553600. Its totient is φ = 5763648912.

The previous prime is 8405323007. The next prime is 8405323117. The reversal of 8405323045 is 5403235048.

It is not a de Polignac number, because 8405323045 - 2⁹ = 8405322533 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8405323045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2448817 + ... + 2452246.

It is an arithmetic number, because the mean of its divisors is an integer number (735159600).

Almost surely, 2^8405323045 is an apocalyptic number.

It is an amenable number.

8405323045 is a deficient number, since it is larger than the sum of its proper divisors (3357230555).

8405323045 is an equidigital number, since it uses as much as digits as its factorization.

8405323045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4901089 (or 4901075 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 8405323045 is about 91680.5488912452. The cubic root of 8405323045 is about 2033.2220137181. Note that the first 3 decimals are identical.

The spelling of 8405323045 in words is "eight billion, four hundred five million, three hundred twenty-three thousand, forty-five".