195763240 has 16 divisors (see below), whose sum is σ = 440467380. Its totient is φ = 78305280.

The previous prime is 195763223. The next prime is 195763247. The reversal of 195763240 is 42367591.

It can be written as a sum of positive squares in 2 ways, for example, as 182088036 + 13675204 = 13494^2 + 3698^2 .

It is a super-2 number, since 2×195763240² = 76646492270595200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195763240.

It is not an unprimeable number, because it can be changed into a prime (195763247) 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 3 ways as a sum of consecutive naturals, for example, 2447001 + ... + 2447080.

Almost surely, 2^195763240 is an apocalyptic number.

195763240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195763240 is an abundant number, since it is smaller than the sum of its proper divisors (244704140).

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

195763240 is a wasteful number, since it uses less digits than its factorization.

195763240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4894092 (or 4894088 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 195763240 is about 13991.5417306314. The cubic root of 195763240 is about 580.6445865798.

The spelling of 195763240 in words is "one hundred ninety-five million, seven hundred sixty-three thousand, two hundred forty".