40561117072233 has 16 divisors (see below), whose sum is σ = 54317250738816. Its totient is φ = 26923062349440.

The previous prime is 40561117072187. The next prime is 40561117072249. The reversal of 40561117072233 is 33227071116504.

It is not a de Polignac number, because 40561117072233 - 2⁸ = 40561117071977 is a prime.

It is a super-3 number, since 3×40561117072233³ (a number of 42 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (40561117079233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23967316 + ... + 25603797.

It is an arithmetic number, because the mean of its divisors is an integer number (3394828171176).

Almost surely, 2^{40561117072233} is an apocalyptic number.

It is an amenable number.

40561117072233 is a deficient number, since it is larger than the sum of its proper divisors (13756133666583).

40561117072233 is a wasteful number, since it uses less digits than its factorization.

40561117072233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49572304.

The product of its (nonzero) digits is 211680, while the sum is 42.

Adding to 40561117072233 its reverse (33227071116504), we get a palindrome (73788188188737).

The spelling of 40561117072233 in words is "forty trillion, five hundred sixty-one billion, one hundred seventeen million, seventy-two thousand, two hundred thirty-three".