281084486016 has 128 divisors (see below), whose sum is σ = 764399750400. Its totient is φ = 91467307008.

The previous prime is 281084485987. The next prime is 281084486017. The reversal of 281084486016 is 610684480182.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281084486017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44199445 + ... + 44205803.

It is an arithmetic number, because the mean of its divisors is an integer number (5971873050).

Almost surely, 2^281084486016 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 281084486016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (382199875200).

281084486016 is an abundant number, since it is smaller than the sum of its proper divisors (483315264384).

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

281084486016 is a wasteful number, since it uses less digits than its factorization.

281084486016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9096 (or 9084 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 281084486016 in words is "two hundred eighty-one billion, eighty-four million, four hundred eighty-six thousand, sixteen".