671073536940 has 48 divisors (see below), whose sum is σ = 1929789853152. Its totient is φ = 174116376576.

The previous prime is 671073536927. The next prime is 671073536957. The reversal of 671073536940 is 49635370176.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151140469 + ... + 151144908.

It is an arithmetic number, because the mean of its divisors is an integer number (40203955274).

Almost surely, 2^671073536940 is an apocalyptic number.

671073536940 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

671073536940 is an abundant number, since it is smaller than the sum of its proper divisors (1258716316212).

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

671073536940 is a wasteful number, since it uses less digits than its factorization.

671073536940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302285426 (or 302285424 counting only the distinct ones).

The product of its (nonzero) digits is 2857680, while the sum is 51.

The spelling of 671073536940 in words is "six hundred seventy-one billion, seventy-three million, five hundred thirty-six thousand, nine hundred forty".