281022046208 has 42 divisors (see below), whose sum is σ = 562105759581. Its totient is φ = 140487032832.

The previous prime is 281022046199. The next prime is 281022046213. The reversal of 281022046208 is 802640220182.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 204332929024 + 76689117184 = 452032^2 + 276928^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=374848.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 47977616 + ... + 47983472.

Almost surely, 2^281022046208 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 281022046208

281022046208 is an abundant number, since it is smaller than the sum of its proper divisors (281083713373).

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

281022046208 is an frugal number, since it uses more digits than its factorization.

281022046208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11740 (or 5859 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The spelling of 281022046208 in words is "two hundred eighty-one billion, twenty-two million, forty-six thousand, two hundred eight".