406385330395671 has 168 divisors, whose sum is σ = 671919398056368. Its totient is φ = 245488200249600.

The previous prime is 406385330395669. The next prime is 406385330395679. The reversal of 406385330395671 is 176593033583604.

406385330395671 is a `hidden beast` number, since 4 + 0 + 6 + 3 + 8 + 5 + 3 + 30 + 39 + 567 + 1 = 666.

It is not a de Polignac number, because 406385330395671 - 2¹ = 406385330395669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 406385330395599 and 406385330395608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406385330395679) by changing a digit.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 86630850436 + ... + 86630855126.

It is an arithmetic number, because the mean of its divisors is an integer number (3999520226526).

Almost surely, 2^{406385330395671} is an apocalyptic number.

406385330395671 is a deficient number, since it is larger than the sum of its proper divisors (265534067660697).

406385330395671 is a wasteful number, since it uses less digits than its factorization.

406385330395671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7737 (or 7711 counting only the distinct ones).

The product of its (nonzero) digits is 146966400, while the sum is 63.

The spelling of 406385330395671 in words is "four hundred six trillion, three hundred eighty-five billion, three hundred thirty million, three hundred ninety-five thousand, six hundred seventy-one".