197240339200 has 108 divisors (see below), whose sum is σ = 489033340488. Its totient is φ = 78761574400.

The previous prime is 197240339173. The next prime is 197240339239. The reversal of 197240339200 is 2933042791.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3769215 + ... + 3821185.

It is an arithmetic number, because the mean of its divisors is an integer number (4528086486).

Almost surely, 2^197240339200 is an apocalyptic number.

197240339200 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 197240339200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244516670244).

197240339200 is an abundant number, since it is smaller than the sum of its proper divisors (291793001288).

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

197240339200 is an equidigital number, since it uses as much as digits as its factorization.

197240339200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52590 (or 52571 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 40.

The spelling of 197240339200 in words is "one hundred ninety-seven billion, two hundred forty million, three hundred thirty-nine thousand, two hundred".