28268369424 has 45 divisors (see below), whose sum is σ = 79117819599. Its totient is φ = 9422117280.

The previous prime is 28268369413. The next prime is 28268369447. The reversal of 28268369424 is 42496386282.

The square root of 28268369424 is 168132.

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

28268369424 is a `hidden beast` number, since 2 + 82 + 6 + 83 + 69 + 424 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2010579 + ... + 2024589.

Almost surely, 2^28268369424 is an apocalyptic number.

28268369424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

28268369424 is the 168132-nd square number.

It is an amenable number.

28268369424 is an abundant number, since it is smaller than the sum of its proper divisors (50849450175).

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

28268369424 is an frugal number, since it uses more digits than its factorization.

28268369424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28036 (or 14016 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 54.

The spelling of 28268369424 in words is "twenty-eight billion, two hundred sixty-eight million, three hundred sixty-nine thousand, four hundred twenty-four".