128233172480 has 240 divisors, whose sum is σ = 358366344336. Its totient is φ = 43878481920.

The previous prime is 128233172461. The next prime is 128233172489. The reversal of 128233172480 is 84271332821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128233172489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117536735 + ... + 117537825.

Almost surely, 2^128233172480 is an apocalyptic number.

128233172480 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 128233172480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179183172168).

128233172480 is an abundant number, since it is smaller than the sum of its proper divisors (230133171856).

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

128233172480 is an equidigital number, since it uses as much as digits as its factorization.

128233172480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2042 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 128233172480 in words is "one hundred twenty-eight billion, two hundred thirty-three million, one hundred seventy-two thousand, four hundred eighty".