128893026448 has 10 divisors (see below), whose sum is σ = 249730238774. Its totient is φ = 64446513216.

The previous prime is 128893026377. The next prime is 128893026499. The reversal of 128893026448 is 844620398821.

128893026448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 76235627664 + 52657398784 = 276108^2 + 229472^2 .

It is a super-2 number, since 2×128893026448² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4027907061 + ... + 4027907092.

Almost surely, 2^128893026448 is an apocalyptic number.

It is an amenable number.

128893026448 is a deficient number, since it is larger than the sum of its proper divisors (120837212326).

128893026448 is an equidigital number, since it uses as much as digits as its factorization.

128893026448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8055814161 (or 8055814155 counting only the distinct ones).

The product of its (nonzero) digits is 5308416, while the sum is 55.

The spelling of 128893026448 in words is "one hundred twenty-eight billion, eight hundred ninety-three million, twenty-six thousand, four hundred forty-eight".