194483440 has 40 divisors (see below), whose sum is σ = 452895120. Its totient is φ = 77669376.

The previous prime is 194483431. The next prime is 194483573. The reversal of 194483440 is 44384491.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 194483440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61416 + ... + 64504.

It is an arithmetic number, because the mean of its divisors is an integer number (11322378).

Almost surely, 2^194483440 is an apocalyptic number.

194483440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194483440 is an abundant number, since it is smaller than the sum of its proper divisors (258411680).

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

194483440 is a wasteful number, since it uses less digits than its factorization.

194483440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3889 (or 3883 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 194483440 is about 13945.7319635794. The cubic root of 194483440 is about 579.3765000134.

The spelling of 194483440 in words is "one hundred ninety-four million, four hundred eighty-three thousand, four hundred forty".