128844260961470 has 16 divisors (see below), whose sum is σ = 231926385459888. Its totient is φ = 51536212000320.

The previous prime is 128844260961463. The next prime is 128844260961473. The reversal of 128844260961470 is 74169062448821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128844260961473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186185396 + ... + 186876135.

It is an arithmetic number, because the mean of its divisors is an integer number (14495399091243).

Almost surely, 2^{128844260961470} is an apocalyptic number.

128844260961470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

128844260961470 is a deficient number, since it is larger than the sum of its proper divisors (103082124498418).

128844260961470 is a wasteful number, since it uses less digits than its factorization.

128844260961470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373096075.

The product of its (nonzero) digits is 37158912, while the sum is 62.

The spelling of 128844260961470 in words is "one hundred twenty-eight trillion, eight hundred forty-four billion, two hundred sixty million, nine hundred sixty-one thousand, four hundred seventy".