194445488 has 20 divisors (see below), whose sum is σ = 376969920. Its totient is φ = 97162944.

The previous prime is 194445469. The next prime is 194445497. The reversal of 194445488 is 884544491.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35681 + ... + 40767.

It is an arithmetic number, because the mean of its divisors is an integer number (18848496).

Almost surely, 2^194445488 is an apocalyptic number.

It is an amenable number.

194445488 is a deficient number, since it is larger than the sum of its proper divisors (182524432).

194445488 is a wasteful number, since it uses less digits than its factorization.

194445488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484 (or 7478 counting only the distinct ones).

The product of its digits is 737280, while the sum is 47.

The square root of 194445488 is about 13944.3711941414. The cubic root of 194445488 is about 579.3388105536.

The spelling of 194445488 in words is "one hundred ninety-four million, four hundred forty-five thousand, four hundred eighty-eight".