198034958840 has 32 divisors (see below), whose sum is σ = 445860990000. Its totient is φ = 79163791104.

The previous prime is 198034958789. The next prime is 198034958851. The reversal of 198034958840 is 48859430891.

It is a self number, because there is not a number n which added to its sum of digits gives 198034958840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504565 + ... + 1630884.

Almost surely, 2^198034958840 is an apocalyptic number.

198034958840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198034958840 is an abundant number, since it is smaller than the sum of its proper divisors (247826031160).

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

198034958840 is a wasteful number, since it uses less digits than its factorization.

198034958840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137039 (or 3137035 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 59.

The spelling of 198034958840 in words is "one hundred ninety-eight billion, thirty-four million, nine hundred fifty-eight thousand, eight hundred forty".