448444840844 has 48 divisors (see below), whose sum is σ = 1053688586496. Its totient is φ = 161278862400.

The previous prime is 448444840843. The next prime is 448444840859. The reversal of 448444840844 is 448048444844.

It is a happy number.

It is a super-2 number, since 2×448444840844² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 448444840844.

It is not an unprimeable number, because it can be changed into a prime (448444840843) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 55995602 + ... + 56003609.

It is an arithmetic number, because the mean of its divisors is an integer number (21951845552).

Almost surely, 2^448444840844 is an apocalyptic number.

448444840844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

448444840844 is an abundant number, since it is smaller than the sum of its proper divisors (605243745652).

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

448444840844 is a wasteful number, since it uses less digits than its factorization.

448444840844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111999246 (or 111999244 counting only the distinct ones).

The product of its (nonzero) digits is 33554432, while the sum is 56.

The spelling of 448444840844 in words is "four hundred forty-eight billion, four hundred forty-four million, eight hundred forty thousand, eight hundred forty-four".