40009292 has 6 divisors (see below), whose sum is σ = 70016268. Its totient is φ = 20004644.

The previous prime is 40009289. The next prime is 40009301. The reversal of 40009292 is 29290004.

40009292 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5001158 + ... + 5001165.

It is an arithmetic number, because the mean of its divisors is an integer number (11669378).

Almost surely, 2^40009292 is an apocalyptic number.

It is an amenable number.

40009292 is a deficient number, since it is larger than the sum of its proper divisors (30006976).

40009292 is a wasteful number, since it uses less digits than its factorization.

40009292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10002327 (or 10002325 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 40009292 is about 6325.2898747804. The cubic root of 40009292 is about 342.0216691125.

Adding to 40009292 its reverse (29290004), we get a palindrome (69299296).

The spelling of 40009292 in words is "forty million, nine thousand, two hundred ninety-two".