281848040 has 16 divisors (see below), whose sum is σ = 634158180. Its totient is φ = 112739200.

The previous prime is 281848037. The next prime is 281848079. The reversal of 281848040 is 40848182.

281848040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 266277124 + 15570916 = 16318^2 + 3946^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3523061 + ... + 3523140.

Almost surely, 2^281848040 is an apocalyptic number.

281848040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

281848040 is an abundant number, since it is smaller than the sum of its proper divisors (352310140).

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

281848040 is a wasteful number, since it uses less digits than its factorization.

281848040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7046212 (or 7046208 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 281848040 is about 16788.3304708956. The cubic root of 281848040 is about 655.6494073980.

The spelling of 281848040 in words is "two hundred eighty-one million, eight hundred forty-eight thousand, forty".