197114839840 has 48 divisors (see below), whose sum is σ = 467365083192. Its totient is φ = 78561275904.

The previous prime is 197114839819. The next prime is 197114839879. The reversal of 197114839840 is 48938411791.

It is a happy number.

197114839840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 97761278224 + 99353561616 = 312668^2 + 315204^2 .

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 7 ways as a sum of consecutive naturals, for example, 2179449 + ... + 2268088.

Almost surely, 2^197114839840 is an apocalyptic number.

197114839840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197114839840 is an abundant number, since it is smaller than the sum of its proper divisors (270250243352).

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

197114839840 is a wasteful number, since it uses less digits than its factorization.

197114839840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447829 (or 4447821 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 55.

The spelling of 197114839840 in words is "one hundred ninety-seven billion, one hundred fourteen million, eight hundred thirty-nine thousand, eight hundred forty".