7144140042 has 72 divisors (see below), whose sum is σ = 17214529644. Its totient is φ = 2138752512.

The previous prime is 7144140041. The next prime is 7144140071. The reversal of 7144140042 is 2400414417.

It can be written as a sum of positive squares in 6 ways, for example, as 1535777721 + 5608362321 = 39189^2 + 74889^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7144139988 and 7144140015.

It is not an unprimeable number, because it can be changed into a prime (7144140041) 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 35 ways as a sum of consecutive naturals, for example, 80818 + ... + 144290.

Almost surely, 2^7144140042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7144140042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8607264822).

7144140042 is an abundant number, since it is smaller than the sum of its proper divisors (10070389602).

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

7144140042 is a wasteful number, since it uses less digits than its factorization.

7144140042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63544 (or 63528 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 27.

The square root of 7144140042 is about 84523.0148657749. The cubic root of 7144140042 is about 1925.9720770530.

Adding to 7144140042 its reverse (2400414417), we get a palindrome (9544554459).

The spelling of 7144140042 in words is "seven billion, one hundred forty-four million, one hundred forty thousand, forty-two".