405413445002 has 8 divisors (see below), whose sum is σ = 643891942116. Its totient is φ = 190782797632.

The previous prime is 405413445001. The next prime is 405413445037. The reversal of 405413445002 is 200544314504.

It can be written as a sum of positive squares in 2 ways, for example, as 301039866241 + 104373578761 = 548671^2 + 323069^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×405413445002² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 405413445002.

It is not an unprimeable number, because it can be changed into a prime (405413445001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5961962393 + ... + 5961962460.

Almost surely, 2^405413445002 is an apocalyptic number.

405413445002 is a deficient number, since it is larger than the sum of its proper divisors (238478497114).

405413445002 is a wasteful number, since it uses less digits than its factorization.

405413445002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11923924872.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 405413445002 its reverse (200544314504), we get a palindrome (605957759506).

The spelling of 405413445002 in words is "four hundred five billion, four hundred thirteen million, four hundred forty-five thousand, two".