193855228448 has 54 divisors (see below), whose sum is σ = 444003022071. Its totient is φ = 83073340224.

The previous prime is 193855228447. The next prime is 193855228453. The reversal of 193855228448 is 844822558391.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 96927614224 + 96927614224 = 311332^2 + 311332^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=311332.

It is not an unprimeable number, because it can be changed into a prime (193855228447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 17429033 + ... + 17440151.

Almost surely, 2^193855228448 is an apocalyptic number.

It is an amenable number.

193855228448 is an abundant number, since it is smaller than the sum of its proper divisors (250147793623).

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

193855228448 is an frugal number, since it uses more digits than its factorization.

193855228448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22262 (or 11128 counting only the distinct ones).

The product of its digits is 22118400, while the sum is 59.

The spelling of 193855228448 in words is "one hundred ninety-three billion, eight hundred fifty-five million, two hundred twenty-eight thousand, four hundred forty-eight".