405500330434 has 8 divisors (see below), whose sum is σ = 608253197580. Its totient is φ = 202749264576.

The previous prime is 405500330383. The next prime is 405500330441. The reversal of 405500330434 is 434033005504.

It can be written as a sum of positive squares in 2 ways, for example, as 405355055625 + 145274809 = 636675^2 + 12053^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 405500330396 and 405500330405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 659902 + ... + 1116454.

Almost surely, 2^405500330434 is an apocalyptic number.

405500330434 is a deficient number, since it is larger than the sum of its proper divisors (202752867146).

405500330434 is a wasteful number, since it uses less digits than its factorization.

405500330434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900644.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 405500330434 its reverse (434033005504), we get a palindrome (839533335938).

The spelling of 405500330434 in words is "four hundred five billion, five hundred million, three hundred thirty thousand, four hundred thirty-four".