671444230 has 32 divisors (see below), whose sum is σ = 1273615200. Its totient is φ = 254161152.

The previous prime is 671444201. The next prime is 671444233. The reversal of 671444230 is 32444176.

It is a junction number, because it is equal to n+sod(n) for n = 671444192 and 671444201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (671444233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 270274 + ... + 272746.

It is an arithmetic number, because the mean of its divisors is an integer number (39800475).

Almost surely, 2^671444230 is an apocalyptic number.

671444230 is a deficient number, since it is larger than the sum of its proper divisors (602170970).

671444230 is a wasteful number, since it uses less digits than its factorization.

671444230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3928.

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 671444230 is about 25912.2409297228. The cubic root of 671444230 is about 875.6622925940.

The spelling of 671444230 in words is "six hundred seventy-one million, four hundred forty-four thousand, two hundred thirty".