195408733328 has 40 divisors (see below), whose sum is σ = 390646163712. Its totient is φ = 94639684608.

The previous prime is 195408733319. The next prime is 195408733339. The reversal of 195408733328 is 823337804591.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 195408733328.

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, 1266500 + ... + 1412387.

Almost surely, 2^195408733328 is an apocalyptic number.

It is an amenable number.

195408733328 is a deficient number, since it is larger than the sum of its proper divisors (195237430384).

195408733328 is a wasteful number, since it uses less digits than its factorization.

195408733328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2679039 (or 2679033 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 195408733328 in words is "one hundred ninety-five billion, four hundred eight million, seven hundred thirty-three thousand, three hundred twenty-eight".