448140648128 has 28 divisors (see below), whose sum is σ = 900535806240. Its totient is φ = 221233988352.

The previous prime is 448140648127. The next prime is 448140648227. The reversal of 448140648128 is 821846041844.

It is not an unprimeable number, because it can be changed into a prime (448140648127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44312651 + ... + 44322762.

It is an arithmetic number, because the mean of its divisors is an integer number (32161993080).

Almost surely, 2^448140648128 is an apocalyptic number.

It is an amenable number.

448140648128 is an abundant number, since it is smaller than the sum of its proper divisors (452395158112).

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

448140648128 is an equidigital number, since it uses as much as digits as its factorization.

448140648128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88635504 (or 88635494 counting only the distinct ones).

The product of its (nonzero) digits is 1572864, while the sum is 50.

The spelling of 448140648128 in words is "four hundred forty-eight billion, one hundred forty million, six hundred forty-eight thousand, one hundred twenty-eight".