40208282 has 4 divisors (see below), whose sum is σ = 60312426. Its totient is φ = 20104140.

The previous prime is 40208263. The next prime is 40208299. The reversal of 40208282 is 28280204.

40208282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 6341²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 40208281 + 1 = 6341^2 + 1^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 10052069 + ... + 10052072.

Almost surely, 2^40208282 is an apocalyptic number.

40208282 is a deficient number, since it is larger than the sum of its proper divisors (20104144).

40208282 is a wasteful number, since it uses less digits than its factorization.

40208282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20104143.

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 40208282 is about 6341.0000788519. Note that the first 4 decimals coincide. The cubic root of 40208282 is about 342.5877573621.

Adding to 40208282 its reverse (28280204), we get a palindrome (68488486).

The spelling of 40208282 in words is "forty million, two hundred eight thousand, two hundred eighty-two".