448656662144 has 64 divisors (see below), whose sum is σ = 897649317000. Its totient is φ = 223366348800.

The previous prime is 448656662117. The next prime is 448656662161. The reversal of 448656662144 is 441266656844.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 378855022144 + 69801640000 = 615512^2 + 264200^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 448656662144.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29608682 + ... + 29623830.

Almost surely, 2^448656662144 is an apocalyptic number.

It is an amenable number.

448656662144 is an abundant number, since it is smaller than the sum of its proper divisors (448992654856).

448656662144 is a wasteful number, since it uses less digits than its factorization.

448656662144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16141 (or 16129 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 56.

The spelling of 448656662144 in words is "four hundred forty-eight billion, six hundred fifty-six million, six hundred sixty-two thousand, one hundred forty-four".