406680450507 has 12 divisors (see below), whose sum is σ = 591031168104. Its totient is φ = 269456984640.

The previous prime is 406680450409. The next prime is 406680450551. The reversal of 406680450507 is 705054086604.

406680450507 is a `hidden beast` number, since 4 + 0 + 66 + 80 + 4 + 5 + 0 + 507 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-406680450507 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (406680450607) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 138608094 + ... + 138611027.

It is an arithmetic number, because the mean of its divisors is an integer number (49252597342).

Almost surely, 2^406680450507 is an apocalyptic number.

406680450507 is a deficient number, since it is larger than the sum of its proper divisors (184350717597).

406680450507 is a wasteful number, since it uses less digits than its factorization.

406680450507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277219290 (or 277219287 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 406680450507 in words is "four hundred six billion, six hundred eighty million, four hundred fifty thousand, five hundred seven".