194510442 has 32 divisors (see below), whose sum is σ = 446390784. Its totient is φ = 55350000.

The previous prime is 194510441. The next prime is 194510473. The reversal of 194510442 is 244015491.

It is not an unprimeable number, because it can be changed into a prime (194510441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1317 + ... + 19767.

It is an arithmetic number, because the mean of its divisors is an integer number (13949712).

Almost surely, 2^194510442 is an apocalyptic number.

194510442 is an abundant number, since it is smaller than the sum of its proper divisors (251880342).

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

194510442 is a wasteful number, since it uses less digits than its factorization.

194510442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18714.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 194510442 is about 13946.7000397944. The cubic root of 194510442 is about 579.4033122367.

The spelling of 194510442 in words is "one hundred ninety-four million, five hundred ten thousand, four hundred forty-two".