128326849356 has 24 divisors (see below), whose sum is σ = 299435577840. Its totient is φ = 42774721792.

The previous prime is 128326849351. The next prime is 128326849363. The reversal of 128326849356 is 653948623821.

It is a super-2 number, since 2×128326849356² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 128326849296 and 128326849305.

It is not an unprimeable number, because it can be changed into a prime (128326849351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 753880 + ... + 908288.

It is an arithmetic number, because the mean of its divisors is an integer number (12476482410).

Almost surely, 2^128326849356 is an apocalyptic number.

It is an amenable number.

128326849356 is an abundant number, since it is smaller than the sum of its proper divisors (171108728484).

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

128326849356 is a wasteful number, since it uses less digits than its factorization.

128326849356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223673 (or 223671 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 57.

The spelling of 128326849356 in words is "one hundred twenty-eight billion, three hundred twenty-six million, eight hundred forty-nine thousand, three hundred fifty-six".