197813360540 has 48 divisors (see below), whose sum is σ = 418389753600. Its totient is φ = 78559357440.

The previous prime is 197813360473. The next prime is 197813360579. The reversal of 197813360540 is 45063318791.

It is a happy number.

197813360540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors.

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 15 ways as a sum of consecutive naturals, for example, 1565525 + ... + 1687155.

It is an arithmetic number, because the mean of its divisors is an integer number (8716453200).

Almost surely, 2^197813360540 is an apocalyptic number.

197813360540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197813360540 is an abundant number, since it is smaller than the sum of its proper divisors (220576393060).

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

197813360540 is a wasteful number, since it uses less digits than its factorization.

197813360540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122222 (or 122220 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 197813360540 in words is "one hundred ninety-seven billion, eight hundred thirteen million, three hundred sixty thousand, five hundred forty".