197459297340 has 96 divisors (see below), whose sum is σ = 555401871360. Its totient is φ = 52416731136.

The previous prime is 197459297303. The next prime is 197459297363. The reversal of 197459297340 is 43792954791.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12848581 + ... + 12863939.

It is an arithmetic number, because the mean of its divisors is an integer number (5785436160).

Almost surely, 2^197459297340 is an apocalyptic number.

197459297340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197459297340 is an abundant number, since it is smaller than the sum of its proper divisors (357942574020).

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

197459297340 is a wasteful number, since it uses less digits than its factorization.

197459297340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16331 (or 16329 counting only the distinct ones).

The product of its (nonzero) digits is 17146080, while the sum is 60.

The spelling of 197459297340 in words is "one hundred ninety-seven billion, four hundred fifty-nine million, two hundred ninety-seven thousand, three hundred forty".