40013126142 has 32 divisors (see below), whose sum is σ = 87311640960. Its totient is φ = 12123762720.

The previous prime is 40013126119. The next prime is 40013126173. The reversal of 40013126142 is 24162131004.

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 15 ways as a sum of consecutive naturals, for example, 619948 + ... + 681440.

It is an arithmetic number, because the mean of its divisors is an integer number (2728488780).

Almost surely, 2^40013126142 is an apocalyptic number.

40013126142 is an abundant number, since it is smaller than the sum of its proper divisors (47298514818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40013126142 is a wasteful number, since it uses less digits than its factorization.

40013126142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71368.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 40013126142 its reverse (24162131004), we get a palindrome (64175257146).

The spelling of 40013126142 in words is "forty billion, thirteen million, one hundred twenty-six thousand, one hundred forty-two".