195345540 has 96 divisors (see below), whose sum is σ = 654514560. Its totient is φ = 48083328.

The previous prime is 195345511. The next prime is 195345541. The reversal of 195345540 is 45543591.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 195345495 and 195345504.

It is not an unprimeable number, because it can be changed into a prime (195345541) 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 31 ways as a sum of consecutive naturals, for example, 6894 + ... + 20933.

It is an arithmetic number, because the mean of its divisors is an integer number (6817860).

Almost surely, 2^195345540 is an apocalyptic number.

195345540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195345540 is an abundant number, since it is smaller than the sum of its proper divisors (459169020).

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

195345540 is a wasteful number, since it uses less digits than its factorization.

195345540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27858 (or 27850 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 195345540 is about 13976.6068843622. The cubic root of 195345540 is about 580.2313187506.

The spelling of 195345540 in words is "one hundred ninety-five million, three hundred forty-five thousand, five hundred forty".