197942072200 has 48 divisors (see below), whose sum is σ = 484437186000. Its totient is φ = 75009625920.

The previous prime is 197942072171. The next prime is 197942072201. The reversal of 197942072200 is 2270249791.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (197942072201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26041210 + ... + 26048809.

It is an arithmetic number, because the mean of its divisors is an integer number (10092441375).

Almost surely, 2^197942072200 is an apocalyptic number.

197942072200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197942072200 is an abundant number, since it is smaller than the sum of its proper divisors (286495113800).

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

197942072200 is a wasteful number, since it uses less digits than its factorization.

197942072200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52090054 (or 52090045 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 197942072200 in words is "one hundred ninety-seven billion, nine hundred forty-two million, seventy-two thousand, two hundred".