194199444 has 60 divisors (see below), whose sum is σ = 516331200. Its totient is φ = 63629712.

The previous prime is 194199431. The next prime is 194199461. The reversal of 194199444 is 444991491.

194199444 is a `hidden beast` number, since 19 + 4 + 199 + 444 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 194199444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14037 + ... + 24195.

It is an arithmetic number, because the mean of its divisors is an integer number (8605520).

Almost surely, 2^194199444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194199444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258165600).

194199444 is an abundant number, since it is smaller than the sum of its proper divisors (322131756).

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

194199444 is a wasteful number, since it uses less digits than its factorization.

194199444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234 (or 10223 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 194199444 is about 13935.5460603451. The cubic root of 194199444 is about 579.0943495740.

The spelling of 194199444 in words is "one hundred ninety-four million, one hundred ninety-nine thousand, four hundred forty-four".