281216244848 has 120 divisors (see below), whose sum is σ = 716937148800. Its totient is φ = 103798039680.

The previous prime is 281216244847. The next prime is 281216244857. The reversal of 281216244848 is 848442612182.

It is a junction number, because it is equal to n+sod(n) for n = 281216244796 and 281216244805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281216244847) 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 23 ways as a sum of consecutive naturals, for example, 128603 + ... + 760901.

It is an arithmetic number, because the mean of its divisors is an integer number (5974476240).

Almost surely, 2^281216244848 is an apocalyptic number.

281216244848 is a gapful number since it is divisible by the number (28) 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 281216244848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358468574400).

281216244848 is an abundant number, since it is smaller than the sum of its proper divisors (435720903952).

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

281216244848 is a wasteful number, since it uses less digits than its factorization.

281216244848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632363 (or 632338 counting only the distinct ones).

The product of its digits is 1572864, while the sum is 50.

The spelling of 281216244848 in words is "two hundred eighty-one billion, two hundred sixteen million, two hundred forty-four thousand, eight hundred forty-eight".