5142256444 has 24 divisors (see below), whose sum is σ = 10201239440. Its totient is φ = 2248435584.

The previous prime is 5142256433. The next prime is 5142256477. The reversal of 5142256444 is 4446522415.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2601369 + ... + 2603344.

Almost surely, 2^5142256444 is an apocalyptic number.

It is an amenable number.

5142256444 is a deficient number, since it is larger than the sum of its proper divisors (5058982996).

5142256444 is a wasteful number, since it uses less digits than its factorization.

5142256444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204749 (or 5204747 counting only the distinct ones).

The product of its digits is 153600, while the sum is 37.

The square root of 5142256444 is about 71709.5282650779. The cubic root of 5142256444 is about 1726.0415407400.

Adding to 5142256444 its reverse (4446522415), we get a palindrome (9588778859).

The spelling of 5142256444 in words is "five billion, one hundred forty-two million, two hundred fifty-six thousand, four hundred forty-four".