198888259248 has 300 divisors, whose sum is σ = 667424432400. Its totient is φ = 56011979520.

The previous prime is 198888259247. The next prime is 198888259259. The reversal of 198888259248 is 842952888891.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (198888259247) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 45729778 + ... + 45734126.

It is an arithmetic number, because the mean of its divisors is an integer number (2224748108).

Almost surely, 2^198888259248 is an apocalyptic number.

198888259248 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 198888259248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333712216200).

198888259248 is an abundant number, since it is smaller than the sum of its proper divisors (468536173152).

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

198888259248 is an equidigital number, since it uses as much as digits as its factorization.

198888259248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4518 (or 4432 counting only the distinct ones).

The product of its digits is 212336640, while the sum is 72.

The spelling of 198888259248 in words is "one hundred ninety-eight billion, eight hundred eighty-eight million, two hundred fifty-nine thousand, two hundred forty-eight".