40142134430 has 16 divisors (see below), whose sum is σ = 73936211184. Its totient is φ = 15683438400.

The previous prime is 40142134379. The next prime is 40142134433. The reversal of 40142134430 is 3443124104.

It is a super-2 number, since 2×40142134430² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40142134430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40142134433) 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 7 ways as a sum of consecutive naturals, for example, 46676471 + ... + 46677330.

It is an arithmetic number, because the mean of its divisors is an integer number (4621013199).

Almost surely, 2^40142134430 is an apocalyptic number.

40142134430 is a deficient number, since it is larger than the sum of its proper divisors (33794076754).

40142134430 is a wasteful number, since it uses less digits than its factorization.

40142134430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93353851.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 40142134430 its reverse (3443124104), we get a palindrome (43585258534).

The spelling of 40142134430 in words is "forty billion, one hundred forty-two million, one hundred thirty-four thousand, four hundred thirty".