10240407 has 24 divisors (see below), whose sum is σ = 15485184. Its totient is φ = 6514704.

The previous prime is 10240397. The next prime is 10240423. The reversal of 10240407 is 70404201.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-10240407 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10240407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10240207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17908 + ... + 18470.

It is an arithmetic number, because the mean of its divisors is an integer number (645216).

Almost surely, 2^10240407 is an apocalyptic number.

10240407 is a deficient number, since it is larger than the sum of its proper divisors (5244777).

10240407 is a wasteful number, since it uses less digits than its factorization.

10240407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 10240407 is about 3200.0635931181. The cubic root of 10240407 is about 217.1562862894.

Adding to 10240407 its reverse (70404201), we get a palindrome (80644608).

The spelling of 10240407 in words is "ten million, two hundred forty thousand, four hundred seven".