448671727640815 has 16 divisors (see below), whose sum is σ = 629631022445568. Its totient is φ = 300505715256096.

The previous prime is 448671727640813. The next prime is 448671727640863. The reversal of 448671727640815 is 518046727176844.

It is not a de Polignac number, because 448671727640815 - 2¹ = 448671727640813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (448671727640813) 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, 149060373127 + ... + 149060376136.

It is an arithmetic number, because the mean of its divisors is an integer number (39351938902848).

Almost surely, 2^{448671727640815} is an apocalyptic number.

448671727640815 is a deficient number, since it is larger than the sum of its proper divisors (180959294804753).

448671727640815 is a wasteful number, since it uses less digits than its factorization.

448671727640815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298120749318.

The product of its (nonzero) digits is 505774080, while the sum is 70.

The spelling of 448671727640815 in words is "four hundred forty-eight trillion, six hundred seventy-one billion, seven hundred twenty-seven million, six hundred forty thousand, eight hundred fifteen".