194916240 has 80 divisors (see below), whose sum is σ = 671385600. Its totient is φ = 51977088.

The previous prime is 194916233. The next prime is 194916247. The reversal of 194916240 is 42619491.

It is a happy number.

194916240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (194916233) and next prime (194916247).

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 194916195 and 194916204.

It is not an unprimeable number, because it can be changed into a prime (194916247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42960 + ... + 47279.

It is an arithmetic number, because the mean of its divisors is an integer number (8392320).

Almost surely, 2^194916240 is an apocalyptic number.

194916240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

194916240 is an abundant number, since it is smaller than the sum of its proper divisors (476469360).

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

194916240 is a wasteful number, since it uses less digits than its factorization.

194916240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90261 (or 90249 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 194916240 is about 13961.2406325512. The cubic root of 194916240 is about 579.8059596645.

The spelling of 194916240 in words is "one hundred ninety-four million, nine hundred sixteen thousand, two hundred forty".