195440804800 has 84 divisors (see below), whose sum is σ = 480996045880. Its totient is φ = 78161771520.

The previous prime is 195440804791. The next prime is 195440804809. The reversal of 195440804800 is 8408044591.

It is an interprime number because it is at equal distance from previous prime (195440804791) and next prime (195440804809).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195440804809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13924186 + ... + 13938214.

Almost surely, 2^195440804800 is an apocalyptic number.

195440804800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

195440804800 is an abundant number, since it is smaller than the sum of its proper divisors (285555241080).

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

195440804800 is a wasteful number, since it uses less digits than its factorization.

195440804800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22758 (or 22743 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 195440804800 in words is "one hundred ninety-five billion, four hundred forty million, eight hundred four thousand, eight hundred".