198569472740 has 24 divisors (see below), whose sum is σ = 441525063672. Its totient is φ = 74755566080.

The previous prime is 198569472667. The next prime is 198569472763. The reversal of 198569472740 is 47274965891.

It can be written as a sum of positive squares in 4 ways, for example, as 76455568036 + 122113904704 = 276506^2 + 349448^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292013591 + ... + 292014270.

It is an arithmetic number, because the mean of its divisors is an integer number (18396877653).

Almost surely, 2^198569472740 is an apocalyptic number.

198569472740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

198569472740 is an abundant number, since it is smaller than the sum of its proper divisors (242955590932).

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

198569472740 is a wasteful number, since it uses less digits than its factorization.

198569472740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584027887 (or 584027885 counting only the distinct ones).

The product of its (nonzero) digits is 30481920, while the sum is 62.

The spelling of 198569472740 in words is "one hundred ninety-eight billion, five hundred sixty-nine million, four hundred seventy-two thousand, seven hundred forty".