40041243342 has 24 divisors (see below), whose sum is σ = 89100786216. Its totient is φ = 12986348976.

The previous prime is 40041243323. The next prime is 40041243343. The reversal of 40041243342 is 24334214004.

It is a happy number.

40041243342 is a `hidden beast` number, since 40 + 0 + 41 + 243 + 342 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041243343) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 30060328 + ... + 30061659.

It is an arithmetic number, because the mean of its divisors is an integer number (3712532759).

Almost surely, 2^40041243342 is an apocalyptic number.

40041243342 is an abundant number, since it is smaller than the sum of its proper divisors (49059542874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40041243342 is a wasteful number, since it uses less digits than its factorization.

40041243342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60122032 (or 60122029 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40041243342 its reverse (24334214004), we get a palindrome (64375457346).

The spelling of 40041243342 in words is "forty billion, forty-one million, two hundred forty-three thousand, three hundred forty-two".