198076490928 has 120 divisors (see below), whose sum is σ = 566354483136. Its totient is φ = 64595481600.

The previous prime is 198076490891. The next prime is 198076490939. The reversal of 198076490928 is 829094670891.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26262838 + ... + 26270378.

Almost surely, 2^198076490928 is an apocalyptic number.

198076490928 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 198076490928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283177241568).

198076490928 is an abundant number, since it is smaller than the sum of its proper divisors (368277992208).

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

198076490928 is a wasteful number, since it uses less digits than its factorization.

198076490928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11483 (or 11474 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 198076490928 in words is "one hundred ninety-eight billion, seventy-six million, four hundred ninety thousand, nine hundred twenty-eight".