5400042251242 has 16 divisors (see below), whose sum is σ = 8145747510912. Its totient is φ = 2684808458640.

The previous prime is 5400042251171. The next prime is 5400042251251. The reversal of 5400042251242 is 2421522400045.

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 7 ways as a sum of consecutive naturals, for example, 3140934 + ... + 4545937.

It is an arithmetic number, because the mean of its divisors is an integer number (509109219432).

Almost surely, 2^{5400042251242} is an apocalyptic number.

5400042251242 is a deficient number, since it is larger than the sum of its proper divisors (2745705259670).

5400042251242 is a wasteful number, since it uses less digits than its factorization.

5400042251242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7688853.

The product of its (nonzero) digits is 25600, while the sum is 31.

Adding to 5400042251242 its reverse (2421522400045), we get a palindrome (7821564651287).

The spelling of 5400042251242 in words is "five trillion, four hundred billion, forty-two million, two hundred fifty-one thousand, two hundred forty-two".