197049590400 has 768 divisors, whose sum is σ = 735882900480. Its totient is φ = 46054195200.

The previous prime is 197049590303. The next prime is 197049590401. The reversal of 197049590400 is 4095940791.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 197049590400.

It is not an unprimeable number, because it can be changed into a prime (197049590401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 3717916774 + ... + 3717916826.

It is an arithmetic number, because the mean of its divisors is an integer number (958180860).

Almost surely, 2^197049590400 is an apocalyptic number.

197049590400 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 197049590400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367941450240).

197049590400 is an abundant number, since it is smaller than the sum of its proper divisors (538833310080).

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

197049590400 is an equidigital number, since it uses as much as digits as its factorization.

197049590400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The spelling of 197049590400 in words is "one hundred ninety-seven billion, forty-nine million, five hundred ninety thousand, four hundred".