28271424799744 has 165 divisors, whose sum is σ = 65949973079631. Its totient is φ = 12112751831040.

The previous prime is 28271424799733. The next prime is 28271424799759. The reversal of 28271424799744 is 44799742417282.

The square root of 28271424799744 is 5317088.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 8337192289 + ... + 8337195679.

Almost surely, 2^{28271424799744} is an apocalyptic number.

28271424799744 is the 5317088-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28271424799744

28271424799744 is an abundant number, since it is smaller than the sum of its proper divisors (37678548279887).

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

28271424799744 is an frugal number, since it uses more digits than its factorization.

28271424799744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6830 (or 3400 counting only the distinct ones).

The product of its digits is 455196672, while the sum is 70.

The spelling of 28271424799744 in words is "twenty-eight trillion, two hundred seventy-one billion, four hundred twenty-four million, seven hundred ninety-nine thousand, seven hundred forty-four".