408245452842005 has 16 divisors (see below), whose sum is σ = 510486637255920. Its totient is φ = 313032707645952.

The previous prime is 408245452842001. The next prime is 408245452842049. The reversal of 408245452842005 is 500248254542804.

It can be written as a sum of positive squares in 8 ways, for example, as 54037921400401 + 354207531441604 = 7351049^2 + 18820402^2 .

It is a cyclic number.

It is not a de Polignac number, because 408245452842005 - 2² = 408245452842001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408245452842001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10275476054 + ... + 10275515783.

It is an arithmetic number, because the mean of its divisors is an integer number (31905414828495).

Almost surely, 2^{408245452842005} is an apocalyptic number.

It is an amenable number.

408245452842005 is a deficient number, since it is larger than the sum of its proper divisors (102241184413915).

408245452842005 is a wasteful number, since it uses less digits than its factorization.

408245452842005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20550992008.

The product of its (nonzero) digits is 16384000, while the sum is 53.

The spelling of 408245452842005 in words is "four hundred eight trillion, two hundred forty-five billion, four hundred fifty-two million, eight hundred forty-two thousand, five".