195103440 has 120 divisors (see below), whose sum is σ = 748844928. Its totient is φ = 44593920.

The previous prime is 195103423. The next prime is 195103451. The reversal of 195103440 is 44301591.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14316 + ... + 24395.

Almost surely, 2^195103440 is an apocalyptic number.

195103440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195103440 is an abundant number, since it is smaller than the sum of its proper divisors (553741488).

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

195103440 is a wasteful number, since it uses less digits than its factorization.

195103440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38737 (or 38728 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 195103440 is about 13967.9432988540. The cubic root of 195103440 is about 579.9915179100.

The spelling of 195103440 in words is "one hundred ninety-five million, one hundred three thousand, four hundred forty".