40011808 has 24 divisors (see below), whose sum is σ = 79011072. Its totient is φ = 19945536.

The previous prime is 40011781. The next prime is 40011823. The reversal of 40011808 is 80811004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10041 + ... + 13447.

It is an arithmetic number, because the mean of its divisors is an integer number (3292128).

Almost surely, 2^40011808 is an apocalyptic number.

It is an amenable number.

40011808 is a deficient number, since it is larger than the sum of its proper divisors (38999264).

40011808 is a wasteful number, since it uses less digits than its factorization.

40011808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3784 (or 3776 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 40011808 is about 6325.4887558196. The cubic root of 40011808 is about 342.0288383511.

The spelling of 40011808 in words is "forty million, eleven thousand, eight hundred eight".