671040488 has 8 divisors (see below), whose sum is σ = 1258200930. Its totient is φ = 335520240.

The previous prime is 671040467. The next prime is 671040497. The reversal of 671040488 is 884040176.

It can be written as a sum of positive squares in only one way, i.e., 670706404 + 334084 = 25898^2 + 578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41940023 + ... + 41940038.

Almost surely, 2^671040488 is an apocalyptic number.

It is an amenable number.

671040488 is a deficient number, since it is larger than the sum of its proper divisors (587160442).

671040488 is a wasteful number, since it uses less digits than its factorization.

671040488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83880067 (or 83880063 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 671040488 is about 25904.4491931405. The cubic root of 671040488 is about 875.4867443677.

The spelling of 671040488 in words is "six hundred seventy-one million, forty thousand, four hundred eighty-eight".