448578539376 has 160 divisors (see below), whose sum is σ = 1283205369600. Its totient is φ = 135017724160.

The previous prime is 448578539363. The next prime is 448578539389. The reversal of 448578539376 is 673935875844.

It is an interprime number because it is at equal distance from previous prime (448578539363) and next prime (448578539389).

It is a self number, because there is not a number n which added to its sum of digits gives 448578539376.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9495751 + ... + 9542873.

It is an arithmetic number, because the mean of its divisors is an integer number (8020033560).

Almost surely, 2^448578539376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 448578539376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641602684800).

448578539376 is an abundant number, since it is smaller than the sum of its proper divisors (834626830224).

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

448578539376 is a wasteful number, since it uses less digits than its factorization.

448578539376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47316 (or 47288 counting only the distinct ones).

The product of its digits is 609638400, while the sum is 69.

The spelling of 448578539376 in words is "four hundred forty-eight billion, five hundred seventy-eight million, five hundred thirty-nine thousand, three hundred seventy-six".