1040344113 has 8 divisors (see below), whose sum is σ = 1387696288. Its totient is φ = 693277344.

The previous prime is 1040344111. The next prime is 1040344117. The reversal of 1040344113 is 3114430401.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1040344113 - 2¹ = 1040344111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1040344113.

It is not an unprimeable number, because it can be changed into a prime (1040344111) 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, 62695 + ... + 77532.

It is an arithmetic number, because the mean of its divisors is an integer number (173462036).

Almost surely, 2^1040344113 is an apocalyptic number.

It is an amenable number.

1040344113 is a deficient number, since it is larger than the sum of its proper divisors (347352175).

1040344113 is a wasteful number, since it uses less digits than its factorization.

1040344113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142703.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 1040344113 is about 32254.3657975165. The cubic root of 1040344113 is about 1013.2711355113.

Adding to 1040344113 its reverse (3114430401), we get a palindrome (4154774514).

The spelling of 1040344113 in words is "one billion, forty million, three hundred forty-four thousand, one hundred thirteen".