28444743324 has 48 divisors (see below), whose sum is σ = 73755306240. Its totient is φ = 9480337200.

The previous prime is 28444743317. The next prime is 28444743329. The reversal of 28444743324 is 42334744482.

It is a happy number.

28444743324 is a `hidden beast` number, since 284 + 4 + 4 + 7 + 43 + 324 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 28444743324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28444743329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1214307 + ... + 1237509.

It is an arithmetic number, because the mean of its divisors is an integer number (1536568880).

Almost surely, 2^28444743324 is an apocalyptic number.

It is an amenable number.

28444743324 is an abundant number, since it is smaller than the sum of its proper divisors (45310562916).

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

28444743324 is a wasteful number, since it uses less digits than its factorization.

28444743324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34567 (or 34559 counting only the distinct ones).

The product of its digits is 2064384, while the sum is 45.

The spelling of 28444743324 in words is "twenty-eight billion, four hundred forty-four million, seven hundred forty-three thousand, three hundred twenty-four".