40808208 has 40 divisors (see below), whose sum is σ = 120482368. Its totient is φ = 11659392.

The previous prime is 40808167. The next prime is 40808213. The reversal of 40808208 is 80280804.

40808208 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 in 7 ways as a sum of consecutive naturals, for example, 60391 + ... + 61062.

Almost surely, 2^40808208 is an apocalyptic number.

40808208 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

40808208 is an abundant number, since it is smaller than the sum of its proper divisors (79674160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40808208 is a wasteful number, since it uses less digits than its factorization.

40808208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121471 (or 121465 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 40808208 is about 6388.1302428801. The cubic root of 40808208 is about 344.2832082763.

The spelling of 40808208 in words is "forty million, eight hundred eight thousand, two hundred eight".