195829440 has 56 divisors (see below), whose sum is σ = 621761520. Its totient is φ = 52220928.

The previous prime is 195829433. The next prime is 195829441. The reversal of 195829440 is 44928591.

It is a junction number, because it is equal to n+sod(n) for n = 195829392 and 195829401.

It is not an unprimeable number, because it can be changed into a prime (195829441) 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 7 ways as a sum of consecutive naturals, for example, 101035 + ... + 102954.

Almost surely, 2^195829440 is an apocalyptic number.

195829440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195829440 is an abundant number, since it is smaller than the sum of its proper divisors (425932080).

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

195829440 is a wasteful number, since it uses less digits than its factorization.

195829440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204009 (or 203999 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 195829440 is about 13993.9072456552. The cubic root of 195829440 is about 580.7100301561.

The spelling of 195829440 in words is "one hundred ninety-five million, eight hundred twenty-nine thousand, four hundred forty".