194457080 has 16 divisors (see below), whose sum is σ = 437528520. Its totient is φ = 77782816.

The previous prime is 194457073. The next prime is 194457083. The reversal of 194457080 is 80754491.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194457083) 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 3 ways as a sum of consecutive naturals, for example, 2430674 + ... + 2430753.

Almost surely, 2^194457080 is an apocalyptic number.

194457080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194457080 is an abundant number, since it is smaller than the sum of its proper divisors (243071440).

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

194457080 is a wasteful number, since it uses less digits than its factorization.

194457080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4861438 (or 4861434 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 194457080 is about 13944.7868395325. The cubic root of 194457080 is about 579.3503228839.

The spelling of 194457080 in words is "one hundred ninety-four million, four hundred fifty-seven thousand, eighty".