8432441866 has 8 divisors (see below), whose sum is σ = 12650063940. Its totient is φ = 4215753888.

The previous prime is 8432441807. The next prime is 8432441903. The reversal of 8432441866 is 6681442348.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7872125625 + 560316241 = 88725^2 + 23671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×8432441866² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210501 + ... + 247336.

Almost surely, 2^8432441866 is an apocalyptic number.

8432441866 is a deficient number, since it is larger than the sum of its proper divisors (4217622074).

8432441866 is a wasteful number, since it uses less digits than its factorization.

8432441866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467048.

The product of its digits is 884736, while the sum is 46.

The square root of 8432441866 is about 91828.3282326320. The cubic root of 8432441866 is about 2035.4063196296.

The spelling of 8432441866 in words is "eight billion, four hundred thirty-two million, four hundred forty-one thousand, eight hundred sixty-six".