197546472963840 has 1728 divisors, whose sum is σ = 859199024388096. Its totient is φ = 37638881280000.

The previous prime is 197546472963799. The next prime is 197546472963857. The reversal of 197546472963840 is 48369274645791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6384602770 + ... + 6384633710.

It is an arithmetic number, because the mean of its divisors is an integer number (497221657632).

It is a 1-persistent number, because it is pandigital, but 2⋅197546472963840 = 395092945927680 is not.

Almost surely, 2^{197546472963840} is an apocalyptic number.

197546472963840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197546472963840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429599512194048).

197546472963840 is an abundant number, since it is smaller than the sum of its proper divisors (661652551424256).

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

197546472963840 is a wasteful number, since it uses less digits than its factorization.

197546472963840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31158 (or 31133 counting only the distinct ones).

The product of its (nonzero) digits is 2194698240, while the sum is 75.

The spelling of 197546472963840 in words is "one hundred ninety-seven trillion, five hundred forty-six billion, four hundred seventy-two million, nine hundred sixty-three thousand, eight hundred forty".