104200240 has 40 divisors (see below), whose sum is σ = 243453168. Its totient is φ = 41475840.

The previous prime is 104200231. The next prime is 104200247. The reversal of 104200240 is 42002401.

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 104200240.

It is not an unprimeable number, because it can be changed into a prime (104200247) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13794 + ... + 19966.

Almost surely, 2^104200240 is an apocalyptic number.

104200240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

104200240 is an abundant number, since it is smaller than the sum of its proper divisors (139252928).

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

104200240 is a wasteful number, since it uses less digits than its factorization.

104200240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6397 (or 6391 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 104200240 is about 10207.8518798031. The cubic root of 104200240 is about 470.5685589567.

Adding to 104200240 its reverse (42002401), we get a palindrome (146202641).

The spelling of 104200240 in words is "one hundred four million, two hundred thousand, two hundred forty".