28825270344 has 96 divisors (see below), whose sum is σ = 84818031480. Its totient is φ = 8790792192.

The previous prime is 28825270343. The next prime is 28825270349. The reversal of 28825270344 is 44307252882.

28825270344 is a `hidden beast` number, since 2 + 8 + 82 + 527 + 0 + 3 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 21336444900 + 7488825444 = 146070^2 + 86538^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28825270344.

It is not an unprimeable number, because it can be changed into a prime (28825270343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30499 + ... + 242034.

Almost surely, 2^28825270344 is an apocalyptic number.

28825270344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28825270344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42409015740).

28825270344 is an abundant number, since it is smaller than the sum of its proper divisors (55992761136).

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

28825270344 is a wasteful number, since it uses less digits than its factorization.

28825270344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272671 (or 272664 counting only the distinct ones).

The product of its (nonzero) digits is 860160, while the sum is 45.

The spelling of 28825270344 in words is "twenty-eight billion, eight hundred twenty-five million, two hundred seventy thousand, three hundred forty-four".