6400342170 has 80 divisors (see below), whose sum is σ = 17222055840. Its totient is φ = 1705543776.

The previous prime is 6400342139. The next prime is 6400342183. The reversal of 6400342170 is 712430046.

6400342170 is a `hidden beast` number, since 640 + 0 + 3 + 4 + 2 + 17 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2269021 + ... + 2271839.

It is an arithmetic number, because the mean of its divisors is an integer number (215275698).

Almost surely, 2^6400342170 is an apocalyptic number.

6400342170 is an abundant number, since it is smaller than the sum of its proper divisors (10821713670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6400342170 is a wasteful number, since it uses less digits than its factorization.

6400342170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5641 (or 5632 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 6400342170 is about 80002.1385339167. The cubic root of 6400342170 is about 1856.6686206149.

The spelling of 6400342170 in words is "six billion, four hundred million, three hundred forty-two thousand, one hundred seventy".