195436335040 has 56 divisors (see below), whose sum is σ = 465441286032. Its totient is φ = 78164705280.

The previous prime is 195436335023. The next prime is 195436335041. The reversal of 195436335040 is 40533634591.

It is a super-2 number, since 2×195436335040² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195436335041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2849632 + ... + 2917408.

Almost surely, 2^195436335040 is an apocalyptic number.

195436335040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195436335040 is an abundant number, since it is smaller than the sum of its proper divisors (270004950992).

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

195436335040 is an equidigital number, since it uses as much as digits as its factorization.

195436335040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76805 (or 76795 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

The spelling of 195436335040 in words is "one hundred ninety-five billion, four hundred thirty-six million, three hundred thirty-five thousand, forty".