194444656 has 40 divisors (see below), whose sum is σ = 433238144. Its totient is φ = 82814400.

The previous prime is 194444609. The next prime is 194444659. The reversal of 194444656 is 656444491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194444659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12931 + ... + 23581.

Almost surely, 2^194444656 is an apocalyptic number.

194444656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 194444656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216619072).

194444656 is an abundant number, since it is smaller than the sum of its proper divisors (238793488).

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

194444656 is a wasteful number, since it uses less digits than its factorization.

194444656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10829 (or 10823 counting only the distinct ones).

The product of its digits is 414720, while the sum is 43.

The square root of 194444656 is about 13944.3413612834. The cubic root of 194444656 is about 579.3379842542.

The spelling of 194444656 in words is "one hundred ninety-four million, four hundred forty-four thousand, six hundred fifty-six".