40142244031142 has 16 divisors (see below), whose sum is σ = 66230178736464. Its totient is φ = 18246474558400.

The previous prime is 40142244031081. The next prime is 40142244031159. The reversal of 40142244031142 is 24113044224104.

It is a super-2 number, since 2×40142244031142² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40142244031099 and 40142244031108.

It is a congruent number.

It is an unprimeable number.

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, 7539862859 + ... + 7539868182.

It is an arithmetic number, because the mean of its divisors is an integer number (4139386171029).

Almost surely, 2^{40142244031142} is an apocalyptic number.

40142244031142 is a deficient number, since it is larger than the sum of its proper divisors (26087934705322).

40142244031142 is a wasteful number, since it uses less digits than its factorization.

40142244031142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15079731076 (or 15079731054 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 40142244031142 its reverse (24113044224104), we get a palindrome (64255288255246).

The spelling of 40142244031142 in words is "forty trillion, one hundred forty-two billion, two hundred forty-four million, thirty-one thousand, one hundred forty-two".