40808330 has 16 divisors (see below), whose sum is σ = 77776200. Its totient is φ = 15363072.

The previous prime is 40808321. The next prime is 40808351. The reversal of 40808330 is 3380804.

It can be written as a sum of positive squares in 4 ways, for example, as 38800441 + 2007889 = 6229^2 + 1417^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 40808330.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119855 + ... + 120194.

Almost surely, 2^40808330 is an apocalyptic number.

40808330 is a deficient number, since it is larger than the sum of its proper divisors (36967870).

40808330 is a wasteful number, since it uses less digits than its factorization.

40808330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240073.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 40808330 is about 6388.1397918330. The cubic root of 40808330 is about 344.2835513650.

The spelling of 40808330 in words is "forty million, eight hundred eight thousand, three hundred thirty".