128224400808 has 32 divisors (see below), whose sum is σ = 366355431360. Its totient is φ = 36635543040.

The previous prime is 128224400797. The next prime is 128224400813. The reversal of 128224400808 is 808004422821.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 381620073 + ... + 381620408.

It is an arithmetic number, because the mean of its divisors is an integer number (11448607230).

Almost surely, 2^128224400808 is an apocalyptic number.

It is an amenable number.

128224400808 is an abundant number, since it is smaller than the sum of its proper divisors (238131030552).

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

128224400808 is a wasteful number, since it uses less digits than its factorization.

128224400808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763240497 (or 763240493 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 39.

The spelling of 128224400808 in words is "one hundred twenty-eight billion, two hundred twenty-four million, four hundred thousand, eight hundred eight".