40042143323011 has 16 divisors (see below), whose sum is σ = 40600455193600. Its totient is φ = 39485148288768.

The previous prime is 40042143322963. The next prime is 40042143323029. The reversal of 40042143323011 is 11032334124004.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40042143323011 - 2¹³ = 40042143314819 is a prime.

It is a super-2 number, since 2×40042143323011² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40042143323711) 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, 207527500 + ... + 207720358.

It is an arithmetic number, because the mean of its divisors is an integer number (2537528449600).

Almost surely, 2^{40042143323011} is an apocalyptic number.

40042143323011 is a deficient number, since it is larger than the sum of its proper divisors (558311870589).

40042143323011 is a wasteful number, since it uses less digits than its factorization.

40042143323011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196258.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 40042143323011 its reverse (11032334124004), we get a palindrome (51074477447015).

The spelling of 40042143323011 in words is "forty trillion, forty-two billion, one hundred forty-three million, three hundred twenty-three thousand, eleven".