448888439889 has 24 divisors (see below), whose sum is σ = 665954893032. Its totient is φ = 291155005440.

The previous prime is 448888439873. The next prime is 448888439921. The reversal of 448888439889 is 988934888844.

448888439889 is a `hidden beast` number, since 4 + 488 + 8 + 8 + 43 + 98 + 8 + 9 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 359319921489 + 89568518400 = 599433^2 + 299280^2 .

It is not a de Polignac number, because 448888439889 - 2⁴ = 448888439873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (448888439869) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11709457 + ... + 11747729.

It is an arithmetic number, because the mean of its divisors is an integer number (27748120543).

Almost surely, 2^448888439889 is an apocalyptic number.

It is an amenable number.

448888439889 is a deficient number, since it is larger than the sum of its proper divisors (217066453143).

448888439889 is a wasteful number, since it uses less digits than its factorization.

448888439889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73537 (or 73534 counting only the distinct ones).

The product of its digits is 4076863488, while the sum is 81.

The spelling of 448888439889 in words is "four hundred forty-eight billion, eight hundred eighty-eight million, four hundred thirty-nine thousand, eight hundred eighty-nine".