671471140214272 has 40 divisors (see below), whose sum is σ = 1387893944883600. Its totient is φ = 324158481475584.

The previous prime is 671471140214269. The next prime is 671471140214297. The reversal of 671471140214272 is 272412041174176.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 22611486372 + ... + 22611516067.

It is an arithmetic number, because the mean of its divisors is an integer number (34697348622090).

Almost surely, 2^{671471140214272} is an apocalyptic number.

It is an amenable number.

671471140214272 is an abundant number, since it is smaller than the sum of its proper divisors (716422804669328).

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

671471140214272 is an equidigital number, since it uses as much as digits as its factorization.

671471140214272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45223002486 (or 45223002470 counting only the distinct ones).

The product of its (nonzero) digits is 1053696, while the sum is 49.

The spelling of 671471140214272 in words is "six hundred seventy-one trillion, four hundred seventy-one billion, one hundred forty million, two hundred fourteen thousand, two hundred seventy-two".