40131234142 has 16 divisors (see below), whose sum is σ = 63385045200. Its totient is φ = 19003550400.

The previous prime is 40131234137. The next prime is 40131234151. The reversal of 40131234142 is 24143213104.

It is a super-2 number, since 2×40131234142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42609 + ... + 286492.

It is an arithmetic number, because the mean of its divisors is an integer number (3961565325).

Almost surely, 2^40131234142 is an apocalyptic number.

40131234142 is a deficient number, since it is larger than the sum of its proper divisors (23253811058).

40131234142 is a wasteful number, since it uses less digits than its factorization.

40131234142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332331.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 40131234142 its reverse (24143213104), we get a palindrome (64274447246).

The spelling of 40131234142 in words is "forty billion, one hundred thirty-one million, two hundred thirty-four thousand, one hundred forty-two".