671450027454 has 48 divisors (see below), whose sum is σ = 1460240479152. Its totient is φ = 222981289344.

The previous prime is 671450027411. The next prime is 671450027483. The reversal of 671450027454 is 454720054176.

671450027454 is a `hidden beast` number, since 6 + 71 + 4 + 500 + 2 + 74 + 5 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34288114 + ... + 34307690.

It is an arithmetic number, because the mean of its divisors is an integer number (30421676649).

Almost surely, 2^671450027454 is an apocalyptic number.

671450027454 is an abundant number, since it is smaller than the sum of its proper divisors (788790451698).

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

671450027454 is a wasteful number, since it uses less digits than its factorization.

671450027454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26601 (or 26598 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 45.

The spelling of 671450027454 in words is "six hundred seventy-one billion, four hundred fifty million, twenty-seven thousand, four hundred fifty-four".