198031504000 has 512 divisors, whose sum is σ = 574458842880. Its totient is φ = 67651584000.

The previous prime is 198031503953. The next prime is 198031504043. The reversal of 198031504000 is 405130891.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 362031727 + ... + 362032273.

Almost surely, 2^198031504000 is an apocalyptic number.

198031504000 is a gapful number since it is divisible by the number (10) 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 198031504000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287229421440).

198031504000 is an abundant number, since it is smaller than the sum of its proper divisors (376427338880).

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

198031504000 is an equidigital number, since it uses as much as digits as its factorization.

198031504000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 31.

Adding to 198031504000 its reverse (405130891), we get a palindrome (198436634891).

The spelling of 198031504000 in words is "one hundred ninety-eight billion, thirty-one million, five hundred four thousand".