1040243102305 has 32 divisors (see below), whose sum is σ = 1377331153920. Its totient is φ = 747900088320.

The previous prime is 1040243102159. The next prime is 1040243102329. The reversal of 1040243102305 is 5032013420401.

It is not a de Polignac number, because 1040243102305 - 2²³ = 1040234713697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1040243102305.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 31149777 + ... + 31183153.

It is an arithmetic number, because the mean of its divisors is an integer number (43041598560).

Almost surely, 2^{1040243102305} is an apocalyptic number.

It is an amenable number.

1040243102305 is a deficient number, since it is larger than the sum of its proper divisors (337088051615).

1040243102305 is a wasteful number, since it uses less digits than its factorization.

1040243102305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39849.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1040243102305 its reverse (5032013420401), we get a palindrome (6072256522706).

The spelling of 1040243102305 in words is "one trillion, forty billion, two hundred forty-three million, one hundred two thousand, three hundred five".