195055740 has 288 divisors, whose sum is σ = 691891200. Its totient is φ = 44029440.

The previous prime is 195055733. The next prime is 195055759. The reversal of 195055740 is 47550591.

195055740 is a `hidden beast` number, since 19 + 50 + 557 + 40 = 666.

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 = 195055695 and 195055704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2469021 + ... + 2469099.

It is an arithmetic number, because the mean of its divisors is an integer number (2402400).

Almost surely, 2^195055740 is an apocalyptic number.

195055740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 195055740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345945600).

195055740 is an abundant number, since it is smaller than the sum of its proper divisors (496835460).

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

195055740 is a wasteful number, since it uses less digits than its factorization.

195055740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177 (or 172 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 195055740 is about 13966.2357133195. The cubic root of 195055740 is about 579.9442475145.

The spelling of 195055740 in words is "one hundred ninety-five million, fifty-five thousand, seven hundred forty".