194480256 has 32 divisors (see below), whose sum is σ = 516589200. Its totient is φ = 64826624.

The previous prime is 194480243. The next prime is 194480263. The reversal of 194480256 is 652084491.

It is a tau number, because it is divible by the number of its divisors (32).

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, 252846 + ... + 253613.

Almost surely, 2^194480256 is an apocalyptic number.

194480256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

194480256 is an abundant number, since it is smaller than the sum of its proper divisors (322108944).

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

194480256 is an equidigital number, since it uses as much as digits as its factorization.

194480256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506476 (or 506464 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 39.

The square root of 194480256 is about 13945.6178063218. The cubic root of 194480256 is about 579.3733382277.

The spelling of 194480256 in words is "one hundred ninety-four million, four hundred eighty thousand, two hundred fifty-six".