10440243 has 18 divisors (see below), whose sum is σ = 16577652. Its totient is φ = 6326760.

The previous prime is 10440239. The next prime is 10440247. The reversal of 10440243 is 34204401.

It is an interprime number because it is at equal distance from previous prime (10440239) and next prime (10440247).

It is not a de Polignac number, because 10440243 - 2² = 10440239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10440247) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3705 + ... + 5882.

Almost surely, 2^10440243 is an apocalyptic number.

10440243 is a deficient number, since it is larger than the sum of its proper divisors (6137409).

10440243 is a wasteful number, since it uses less digits than its factorization.

10440243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9615 (or 9601 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 10440243 is about 3231.1364873679. The cubic root of 10440243 is about 218.5597586270.

Adding to 10440243 its reverse (34204401), we get a palindrome (44644644).

The spelling of 10440243 in words is "ten million, four hundred forty thousand, two hundred forty-three".