6408042866 has 32 divisors (see below), whose sum is σ = 10754156160. Its totient is φ = 2845898496.

The previous prime is 6408042859. The next prime is 6408042871. The reversal of 6408042866 is 6682408046.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151040 + ... + 188756.

It is an arithmetic number, because the mean of its divisors is an integer number (336067380).

Almost surely, 2^6408042866 is an apocalyptic number.

6408042866 is a deficient number, since it is larger than the sum of its proper divisors (4346113294).

6408042866 is a wasteful number, since it uses less digits than its factorization.

6408042866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38018.

The product of its (nonzero) digits is 442368, while the sum is 44.

The square root of 6408042866 is about 80050.2521295217. The cubic root of 6408042866 is about 1857.4129511475.

The spelling of 6408042866 in words is "six billion, four hundred eight million, forty-two thousand, eight hundred sixty-six".