10208240 has 40 divisors (see below), whose sum is σ = 27126240. Its totient is φ = 3499776.

The previous prime is 10208213. The next prime is 10208249. The reversal of 10208240 is 4280201.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10208249) 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, 8555 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (678156).

Almost surely, 2^10208240 is an apocalyptic number.

10208240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10208240 is an abundant number, since it is smaller than the sum of its proper divisors (16918000).

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

10208240 is a wasteful number, since it uses less digits than its factorization.

10208240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18249 (or 18243 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 10208240 is about 3195.0336461452. The cubic root of 10208240 is about 216.9286718644.

Adding to 10208240 its reverse (4280201), we get a palindrome (14488441).

The spelling of 10208240 in words is "ten million, two hundred eight thousand, two hundred forty".