448444444800 has 384 divisors, whose sum is σ = 1696157510400. Its totient is φ = 102991564800.

The previous prime is 448444444729. The next prime is 448444444807. The reversal of 448444444800 is 8444444844.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×448444444800² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 448444444800.

It is not an unprimeable number, because it can be changed into a prime (448444444807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1894647 + ... + 2118153.

It is an arithmetic number, because the mean of its divisors is an integer number (4417076850).

Almost surely, 2^448444444800 is an apocalyptic number.

448444444800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448444444800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848078755200).

448444444800 is an abundant number, since it is smaller than the sum of its proper divisors (1247713065600).

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

448444444800 is a wasteful number, since it uses less digits than its factorization.

448444444800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223564 (or 223547 counting only the distinct ones).

The product of its (nonzero) digits is 4194304, while the sum is 48.

The spelling of 448444444800 in words is "four hundred forty-eight billion, four hundred forty-four million, four hundred forty-four thousand, eight hundred".