128390929080960 has 512 divisors, whose sum is σ = 504067969843200. Its totient is φ = 27068612493312.

The previous prime is 128390929080937. The next prime is 128390929080971. The reversal of 128390929080960 is 69080929093821.

It is a junction number, because it is equal to n+sod(n) for n = 128390929080891 and 128390929080900.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 231576561 + ... + 232130319.

It is an arithmetic number, because the mean of its divisors is an integer number (984507753600).

Almost surely, 2^{128390929080960} is an apocalyptic number.

128390929080960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 128390929080960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (252033984921600).

128390929080960 is an abundant number, since it is smaller than the sum of its proper divisors (375677040762240).

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

128390929080960 is a wasteful number, since it uses less digits than its factorization.

128390929080960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555128 (or 555116 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 66.

The spelling of 128390929080960 in words is "one hundred twenty-eight trillion, three hundred ninety billion, nine hundred twenty-nine million, eighty thousand, nine hundred sixty".