4040281 has 8 divisors (see below), whose sum is σ = 4647104. Its totient is φ = 3440880.

The previous prime is 4040279. The next prime is 4040287. The reversal of 4040281 is 1820404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4040281 - 2¹ = 4040279 is a prime.

It is a super-2 number, since 2×4040281² = 32647741117922, which contains 22 as substring.

It is a deceptive number, since it divides R_4040280.

It is not an unprimeable number, because it can be changed into a prime (4040287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 630 + ... + 2911.

It is an arithmetic number, because the mean of its divisors is an integer number (580888).

Almost surely, 2^4040281 is an apocalyptic number.

4040281 is the 1161-st hex number.

It is an amenable number.

4040281 is a deficient number, since it is larger than the sum of its proper divisors (606823).

4040281 is a wasteful number, since it uses less digits than its factorization.

4040281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3711.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 4040281 is about 2010.0450243713. The cubic root of 4040281 is about 159.2711773379.

Adding to 4040281 its reverse (1820404), we get a palindrome (5860685).

The spelling of 4040281 in words is "four million, forty thousand, two hundred eighty-one".