5278159444 has 18 divisors (see below), whose sum is σ = 9390220602. Its totient is φ = 2595258000.

The previous prime is 5278159427. The next prime is 5278159459. The reversal of 5278159444 is 4449518725.

It can be written as a sum of positive squares in only one way, i.e., 3114979344 + 2163180100 = 55812^2 + 46510^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1132519 + ... + 1137169.

Almost surely, 2^5278159444 is an apocalyptic number.

It is an amenable number.

5278159444 is a deficient number, since it is larger than the sum of its proper divisors (4112061158).

5278159444 is an frugal number, since it uses more digits than its factorization.

5278159444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9367 (or 4714 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 49.

The square root of 5278159444 is about 72650.9424852837. The cubic root of 5278159444 is about 1741.1151793380.

It can be divided in two parts, 52781 and 59444, that added together give a square (112225 = 335²).

The spelling of 5278159444 in words is "five billion, two hundred seventy-eight million, one hundred fifty-nine thousand, four hundred forty-four".