40042500233305 has 4 divisors (see below), whose sum is σ = 48051000279972. Its totient is φ = 32034000186640.

The previous prime is 40042500233297. The next prime is 40042500233321. The reversal of 40042500233305 is 50333200524004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17548500162649 + 22494000070656 = 4189093^2 + 4742784^2 .

It is not a de Polignac number, because 40042500233305 - 2³ = 40042500233297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4004250023326 + ... + 4004250023335.

It is an arithmetic number, because the mean of its divisors is an integer number (12012750069993).

Almost surely, 2^{40042500233305} is an apocalyptic number.

It is an amenable number.

40042500233305 is a deficient number, since it is larger than the sum of its proper divisors (8008500046667).

40042500233305 is an equidigital number, since it uses as much as digits as its factorization.

40042500233305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8008500046666.

The product of its (nonzero) digits is 43200, while the sum is 31.

Adding to 40042500233305 its reverse (50333200524004), we get a palindrome (90375700757309).

The spelling of 40042500233305 in words is "forty trillion, forty-two billion, five hundred million, two hundred thirty-three thousand, three hundred five".