406680082 has 8 divisors (see below), whose sum is σ = 610828236. Its totient is φ = 203070672.

The previous prime is 406680059. The next prime is 406680121. The reversal of 406680082 is 280086604.

It can be written as a sum of positive squares in 2 ways, for example, as 339259561 + 67420521 = 18419^2 + 8211^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132793 + ... + 135820.

Almost surely, 2^406680082 is an apocalyptic number.

406680082 is a deficient number, since it is larger than the sum of its proper divisors (204148154).

406680082 is a wasteful number, since it uses less digits than its factorization.

406680082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269372.

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 406680082 is about 20166.3105698588. The cubic root of 406680082 is about 740.8852821025.

It can be divided in two parts, 4066 and 80082, that added together give a palindrome (84148).

The spelling of 406680082 in words is "four hundred six million, six hundred eighty thousand, eighty-two".