40042133542534 has 16 divisors (see below), whose sum is σ = 60615379994400. Its totient is φ = 19837013793984.

The previous prime is 40042133542531. The next prime is 40042133542577. The reversal of 40042133542534 is 43524533124004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40042133542531) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10061034 + ... + 13465090.

It is an arithmetic number, because the mean of its divisors is an integer number (3788461249650).

Almost surely, 2^{40042133542534} is an apocalyptic number.

40042133542534 is a deficient number, since it is larger than the sum of its proper divisors (20573246451866).

40042133542534 is a wasteful number, since it uses less digits than its factorization.

40042133542534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3458127.

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 40042133542534 its reverse (43524533124004), we get a palindrome (83566666666538).

The spelling of 40042133542534 in words is "forty trillion, forty-two billion, one hundred thirty-three million, five hundred forty-two thousand, five hundred thirty-four".