197119419940 has 24 divisors (see below), whose sum is σ = 413964149760. Its totient is φ = 78845221728.

The previous prime is 197119419929. The next prime is 197119419943. The reversal of 197119419940 is 49914911791.

It is a happy number.

197119419940 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (197119419943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553501 + ... + 837019.

It is an arithmetic number, because the mean of its divisors is an integer number (17248506240).

Almost surely, 2^197119419940 is an apocalyptic number.

197119419940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197119419940 is an abundant number, since it is smaller than the sum of its proper divisors (216844729820).

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

197119419940 is a wasteful number, since it uses less digits than its factorization.

197119419940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318291 (or 318289 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 55.

The spelling of 197119419940 in words is "one hundred ninety-seven billion, one hundred nineteen million, four hundred nineteen thousand, nine hundred forty".