197808419484 has 144 divisors (see below), whose sum is σ = 549707558400. Its totient is φ = 59602845312.

The previous prime is 197808419447. The next prime is 197808419509. The reversal of 197808419484 is 484914808791.

197808419484 is a `hidden beast` number, since 1 + 9 + 78 + 0 + 84 + 1 + 9 + 484 = 666.

197808419484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×197808419484² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7248337 + ... + 7275575.

It is an arithmetic number, because the mean of its divisors is an integer number (3817413600).

Almost surely, 2^197808419484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197808419484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274853779200).

197808419484 is an abundant number, since it is smaller than the sum of its proper divisors (351899138916).

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

197808419484 is a wasteful number, since it uses less digits than its factorization.

197808419484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27584 (or 27579 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 197808419484 in words is "one hundred ninety-seven billion, eight hundred eight million, four hundred nineteen thousand, four hundred eighty-four".