406680450508 has 24 divisors (see below), whose sum is σ = 719115958512. Its totient is φ = 201219262464.

The previous prime is 406680450409. The next prime is 406680450551. The reversal of 406680450508 is 805054086604.

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 7 ways as a sum of consecutive naturals, for example, 3336291 + ... + 3456037.

It is an arithmetic number, because the mean of its divisors is an integer number (29963164938).

Almost surely, 2^406680450508 is an apocalyptic number.

It is an amenable number.

406680450508 is a deficient number, since it is larger than the sum of its proper divisors (312435508004).

406680450508 is a wasteful number, since it uses less digits than its factorization.

406680450508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128601 (or 128599 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 406680450508 in words is "four hundred six billion, six hundred eighty million, four hundred fifty thousand, five hundred eight".