4042442340131 has 16 divisors (see below), whose sum is σ = 4389538331808. Its totient is φ = 3700600300800.

The previous prime is 4042442340103. The next prime is 4042442340143. The reversal of 4042442340131 is 1310432442404.

It is not a de Polignac number, because 4042442340131 - 2²² = 4042438145827 is a prime.

It is a super-2 number, since 2×4042442340131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4042442340031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 837425 + ... + 2964146.

It is an arithmetic number, because the mean of its divisors is an integer number (274346145738).

Almost surely, 2^{4042442340131} is an apocalyptic number.

4042442340131 is a deficient number, since it is larger than the sum of its proper divisors (347095991677).

4042442340131 is a wasteful number, since it uses less digits than its factorization.

4042442340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3802262.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 4042442340131 its reverse (1310432442404), we get a palindrome (5352874782535).

The spelling of 4042442340131 in words is "four trillion, forty-two billion, four hundred forty-two million, three hundred forty thousand, one hundred thirty-one".