281105088 has 112 divisors (see below), whose sum is σ = 817254144. Its totient is φ = 84567040.

The previous prime is 281105063. The next prime is 281105101. The reversal of 281105088 is 880501182.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352306 + ... + 353102.

It is an arithmetic number, because the mean of its divisors is an integer number (7296912).

Almost surely, 2^281105088 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 281105088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408627072).

281105088 is an abundant number, since it is smaller than the sum of its proper divisors (536149056).

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

281105088 is a wasteful number, since it uses less digits than its factorization.

281105088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 990 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 281105088 is about 16766.1888334827. The cubic root of 281105088 is about 655.0728027385.

The spelling of 281105088 in words is "two hundred eighty-one million, one hundred five thousand, eighty-eight".