194270040 has 48 divisors (see below), whose sum is σ = 631378800. Its totient is φ = 51805248.

The previous prime is 194270039. The next prime is 194270059. The reversal of 194270040 is 40072491.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 194269986 and 194270013.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269460 + ... + 270179.

It is an arithmetic number, because the mean of its divisors is an integer number (13153725).

Almost surely, 2^194270040 is an apocalyptic number.

194270040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194270040 is an abundant number, since it is smaller than the sum of its proper divisors (437108760).

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

194270040 is a wasteful number, since it uses less digits than its factorization.

194270040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539656 (or 539649 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 194270040 is about 13938.0787772203. The cubic root of 194270040 is about 579.1645124798.

The spelling of 194270040 in words is "one hundred ninety-four million, two hundred seventy thousand, forty".