1040243554235 has 16 divisors (see below), whose sum is σ = 1323385704192. Its totient is φ = 783583632000.

The previous prime is 1040243554211. The next prime is 1040243554243. The reversal of 1040243554235 is 5324553420401.

It is not a de Polignac number, because 1040243554235 - 2¹⁶ = 1040243488699 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90686816 + ... + 90698285.

It is an arithmetic number, because the mean of its divisors is an integer number (82711606512).

Almost surely, 2^{1040243554235} is an apocalyptic number.

1040243554235 is a deficient number, since it is larger than the sum of its proper divisors (283142149957).

1040243554235 is a wasteful number, since it uses less digits than its factorization.

1040243554235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181385174.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 1040243554235 its reverse (5324553420401), we get a palindrome (6364796974636).

The spelling of 1040243554235 in words is "one trillion, forty billion, two hundred forty-three million, five hundred fifty-four thousand, two hundred thirty-five".