445456315671 has 16 divisors (see below), whose sum is σ = 616033796448. Its totient is φ = 286083792000.

The previous prime is 445456315663. The next prime is 445456315751. The reversal of 445456315671 is 176513654544.

It is not a de Polignac number, because 445456315671 - 2³ = 445456315663 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445456315571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19855720 + ... + 19878141.

It is an arithmetic number, because the mean of its divisors is an integer number (38502112278).

Almost surely, 2^445456315671 is an apocalyptic number.

445456315671 is a deficient number, since it is larger than the sum of its proper divisors (170577480777).

445456315671 is a wasteful number, since it uses less digits than its factorization.

445456315671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39734002.

The product of its digits is 6048000, while the sum is 51.

The spelling of 445456315671 in words is "four hundred forty-five billion, four hundred fifty-six million, three hundred fifteen thousand, six hundred seventy-one".