40505420043142 has 8 divisors (see below), whose sum is σ = 61325963056296. Its totient is φ = 20063432357712.

The previous prime is 40505420043107. The next prime is 40505420043161. The reversal of 40505420043142 is 24134002450504.

40505420043142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40505420043142² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40505420043098 and 40505420043107.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94638831663 + ... + 94638832090.

It is an arithmetic number, because the mean of its divisors is an integer number (7665745382037).

Almost surely, 2^{40505420043142} is an apocalyptic number.

40505420043142 is a deficient number, since it is larger than the sum of its proper divisors (20820543013154).

40505420043142 is a wasteful number, since it uses less digits than its factorization.

40505420043142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189277663862.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 40505420043142 its reverse (24134002450504), we get a palindrome (64639422493646).

The spelling of 40505420043142 in words is "forty trillion, five hundred five billion, four hundred twenty million, forty-three thousand, one hundred forty-two".