128822419938 has 32 divisors (see below), whose sum is σ = 258493435200. Its totient is φ = 42799584960.

The previous prime is 128822419927. The next prime is 128822419939. The reversal of 128822419938 is 839914228821.

It is not an unprimeable number, because it can be changed into a prime (128822419939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2483088 + ... + 2534436.

It is an arithmetic number, because the mean of its divisors is an integer number (8077919850).

Almost surely, 2^128822419938 is an apocalyptic number.

128822419938 is an abundant number, since it is smaller than the sum of its proper divisors (129671015262).

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

128822419938 is a wasteful number, since it uses less digits than its factorization.

128822419938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52722.

The product of its digits is 3981312, while the sum is 57.

The spelling of 128822419938 in words is "one hundred twenty-eight billion, eight hundred twenty-two million, four hundred nineteen thousand, nine hundred thirty-eight".