448973587444 has 48 divisors (see below), whose sum is σ = 803959687440. Its totient is φ = 219346534400.

The previous prime is 448973587427. The next prime is 448973587453. The reversal of 448973587444 is 444785379844.

It can be written as a sum of positive squares in 8 ways, for example, as 408524944 + 448565062500 = 20212^2 + 669750^2 .

It is a super-2 number, since 2×448973587444² (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 448973587444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10615812 + ... + 10658020.

It is an arithmetic number, because the mean of its divisors is an integer number (16749160155).

Almost surely, 2^448973587444 is an apocalyptic number.

It is an amenable number.

448973587444 is a deficient number, since it is larger than the sum of its proper divisors (354986099996).

448973587444 is a wasteful number, since it uses less digits than its factorization.

448973587444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42660 (or 42658 counting only the distinct ones).

The product of its digits is 433520640, while the sum is 67.

The spelling of 448973587444 in words is "four hundred forty-eight billion, nine hundred seventy-three million, five hundred eighty-seven thousand, four hundred forty-four".