28444483584 has 392 divisors, whose sum is σ = 93257671752. Its totient is φ = 8599633920.

The previous prime is 28444483567. The next prime is 28444483591. The reversal of 28444483584 is 48538444482.

It is a happy number.

28444483584 is a `hidden beast` number, since 2 + 84 + 4 + 4 + 483 + 5 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 28444483584.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 65691432 + ... + 65691864.

Almost surely, 2^28444483584 is an apocalyptic number.

28444483584 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 28444483584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46628835876).

28444483584 is an abundant number, since it is smaller than the sum of its proper divisors (64813188168).

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

28444483584 is an frugal number, since it uses more digits than its factorization.

28444483584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488 (or 449 counting only the distinct ones).

The product of its digits is 15728640, while the sum is 54.

The spelling of 28444483584 in words is "twenty-eight billion, four hundred forty-four million, four hundred eighty-three thousand, five hundred eighty-four".