128445046048 has 96 divisors (see below), whose sum is σ = 293135588928. Its totient is φ = 54753484800.

The previous prime is 128445046021. The next prime is 128445046049. The reversal of 128445046048 is 840640544821.

It is a junction number, because it is equal to n+sod(n) for n = 128445045989 and 128445046007.

It is not an unprimeable number, because it can be changed into a prime (128445046049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1643311 + ... + 1719697.

It is an arithmetic number, because the mean of its divisors is an integer number (3053495718).

Almost surely, 2^128445046048 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 128445046048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146567794464).

128445046048 is an abundant number, since it is smaller than the sum of its proper divisors (164690542880).

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

128445046048 is a wasteful number, since it uses less digits than its factorization.

128445046048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76706 (or 76698 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 46.

The spelling of 128445046048 in words is "one hundred twenty-eight billion, four hundred forty-five million, forty-six thousand, forty-eight".