10440441243 has 8 divisors (see below), whose sum is σ = 15467320400. Its totient is φ = 6960294144.

The previous prime is 10440441223. The next prime is 10440441247. The reversal of 10440441243 is 34214404401.

10440441243 is a `hidden beast` number, since 10 + 4 + 404 + 4 + 1 + 243 = 666.

It is not a de Polignac number, because 10440441243 - 2⁵ = 10440441211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 386683009 = 10440441243 / (1 + 0 + 4 + 4 + 0 + 4 + 4 + 1 + 2 + 4 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10440441247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193341478 + ... + 193341531.

It is an arithmetic number, because the mean of its divisors is an integer number (1933415050).

Almost surely, 2^10440441243 is an apocalyptic number.

10440441243 is a deficient number, since it is larger than the sum of its proper divisors (5026879157).

10440441243 is an equidigital number, since it uses as much as digits as its factorization.

10440441243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386683018 (or 386683012 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 10440441243 its reverse (34214404401), we get a palindrome (44654845644).

The spelling of 10440441243 in words is "ten billion, four hundred forty million, four hundred forty-one thousand, two hundred forty-three".