195278620448 has 12 divisors (see below), whose sum is σ = 384454784070. Its totient is φ = 97639310208.

The previous prime is 195278620417. The next prime is 195278620483. The reversal of 195278620448 is 844026872591.

It can be written as a sum of positive squares in only one way, i.e., 114956258704 + 80322361744 = 339052^2 + 283412^2 .

It is a junction number, because it is equal to n+sod(n) for n = 195278620393 and 195278620402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3051228413 + ... + 3051228476.

Almost surely, 2^195278620448 is an apocalyptic number.

It is an amenable number.

195278620448 is a deficient number, since it is larger than the sum of its proper divisors (189176163622).

195278620448 is an equidigital number, since it uses as much as digits as its factorization.

195278620448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6102456899 (or 6102456891 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 195278620448 in words is "one hundred ninety-five billion, two hundred seventy-eight million, six hundred twenty thousand, four hundred forty-eight".