671375322380 has 48 divisors (see below), whose sum is σ = 1617570513216. Its totient is φ = 229290147840.

The previous prime is 671375322379. The next prime is 671375322433. The reversal of 671375322380 is 83223573176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9293861 + ... + 9365820.

It is an arithmetic number, because the mean of its divisors is an integer number (33699385692).

Almost surely, 2^671375322380 is an apocalyptic number.

It is an amenable number.

671375322380 is an abundant number, since it is smaller than the sum of its proper divisors (946195190836).

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

671375322380 is a wasteful number, since it uses less digits than its factorization.

671375322380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18659954 (or 18659952 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 671375322380 in words is "six hundred seventy-one billion, three hundred seventy-five million, three hundred twenty-two thousand, three hundred eighty".