194860444900 has 81 divisors (see below), whose sum is σ = 464898269563. Its totient is φ = 70840686400.

The previous prime is 194860444861. The next prime is 194860444913. The reversal of 194860444900 is 9444068491.

The square root of 194860444900 is 441430.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 10139281636 + 184721163264 = 100694^2 + 429792^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 48555294 + ... + 48559306.

Almost surely, 2^194860444900 is an apocalyptic number.

194860444900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

194860444900 is the 441430-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194860444900

194860444900 is an abundant number, since it is smaller than the sum of its proper divisors (270037824663).

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

194860444900 is an equidigital number, since it uses as much as digits as its factorization.

194860444900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062 (or 4031 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 49.

Multiplying 194860444900 by its sum of digits (49), we get a square (9548161800100 = 3090010²).

The spelling of 194860444900 in words is "one hundred ninety-four billion, eight hundred sixty million, four hundred forty-four thousand, nine hundred".