10005240 has 128 divisors (see below), whose sum is σ = 35228160. Its totient is φ = 2225664.

The previous prime is 10005227. The next prime is 10005241. The reversal of 10005240 is 4250001.

10005240 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

10005240 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35982 + ... + 36258.

It is an arithmetic number, because the mean of its divisors is an integer number (275220).

Almost surely, 2^10005240 is an apocalyptic number.

10005240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10005240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17614080).

10005240 is an abundant number, since it is smaller than the sum of its proper divisors (25222920).

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

10005240 is a wasteful number, since it uses less digits than its factorization.

10005240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 10005240 is about 3163.1060684081. The cubic root of 10005240 is about 215.4810932248.

Adding to 10005240 its reverse (4250001), we get a palindrome (14255241).

The spelling of 10005240 in words is "ten million, five thousand, two hundred forty".