405545330204 has 48 divisors (see below), whose sum is σ = 817174794240. Its totient is φ = 172501910400.

The previous prime is 405545330173. The next prime is 405545330219. The reversal of 405545330204 is 402033545504.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30831029 + ... + 30844179.

It is an arithmetic number, because the mean of its divisors is an integer number (17024474880).

Almost surely, 2^405545330204 is an apocalyptic number.

It is an amenable number.

405545330204 is an abundant number, since it is smaller than the sum of its proper divisors (411629464036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

405545330204 is a wasteful number, since it uses less digits than its factorization.

405545330204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21338 (or 21336 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 35.

Adding to 405545330204 its reverse (402033545504), we get a palindrome (807578875708).

The spelling of 405545330204 in words is "four hundred five billion, five hundred forty-five million, three hundred thirty thousand, two hundred four".