128804265190 has 32 divisors (see below), whose sum is σ = 232192800000. Its totient is φ = 51445080288.

The previous prime is 128804265167. The next prime is 128804265193. The reversal of 128804265190 is 91562408821.

It is a super-2 number, since 2×128804265190² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128804265190.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128804265193) 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, 23766301 + ... + 23771719.

It is an arithmetic number, because the mean of its divisors is an integer number (7256025000).

Almost surely, 2^128804265190 is an apocalyptic number.

128804265190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128804265190 is a deficient number, since it is larger than the sum of its proper divisors (103388534810).

128804265190 is a wasteful number, since it uses less digits than its factorization.

128804265190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8524.

The product of its (nonzero) digits is 276480, while the sum is 46.

The spelling of 128804265190 in words is "one hundred twenty-eight billion, eight hundred four million, two hundred sixty-five thousand, one hundred ninety".