40282 has 8 divisors (see below), whose sum is σ = 65952. Its totient is φ = 18300.

The previous prime is 40277. The next prime is 40283. The reversal of 40282 is 28204.

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

It is not an unprimeable number, because it can be changed into a prime (40283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894 + ... + 937.

It is an arithmetic number, because the mean of its divisors is an integer number (8244).

2⁴⁰²⁸² is an apocalyptic number.

40282 is a deficient number, since it is larger than the sum of its proper divisors (25670).

40282 is a wasteful number, since it uses less digits than its factorization.

40282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 40282 is about 200.7037617983. The cubic root of 40282 is about 34.2796996725.

Adding to 40282 its reverse (28204), we get a palindrome (68486).

It can be divided in two parts, 402 and 82, that added together give a palindrome (484).

The spelling of 40282 in words is "forty thousand, two hundred eighty-two".