5138273280 has 264 divisors, whose sum is σ = 19120421088. Its totient is φ = 1174290432.

The previous prime is 5138273279. The next prime is 5138273297. The reversal of 5138273280 is 823728315.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 749227 + ... + 756053.

Almost surely, 2^5138273280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5138273280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9560210544).

5138273280 is an abundant number, since it is smaller than the sum of its proper divisors (13982147808).

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

5138273280 is a wasteful number, since it uses less digits than its factorization.

5138273280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869 (or 6844 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 5138273280 is about 71681.7499786382. The cubic root of 5138273280 is about 1725.5957648109.

The spelling of 5138273280 in words is "five billion, one hundred thirty-eight million, two hundred seventy-three thousand, two hundred eighty".