10440635 has 16 divisors (see below), whose sum is σ = 13395456. Its totient is φ = 7784448.

The previous prime is 10440631. The next prime is 10440641. The reversal of 10440635 is 53604401.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10440635 - 2² = 10440631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10440635.

It is not an unprimeable number, because it can be changed into a prime (10440631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9062 + ... + 10148.

It is an arithmetic number, because the mean of its divisors is an integer number (837216).

Almost surely, 2^10440635 is an apocalyptic number.

10440635 is a deficient number, since it is larger than the sum of its proper divisors (2954821).

10440635 is a wasteful number, since it uses less digits than its factorization.

10440635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 10440635 is about 3231.1971465697. The cubic root of 10440635 is about 218.5624940153.

The spelling of 10440635 in words is "ten million, four hundred forty thousand, six hundred thirty-five".