40231208 has 32 divisors (see below), whose sum is σ = 80724000. Its totient is φ = 18740160.

The previous prime is 40231199. The next prime is 40231237. The reversal of 40231208 is 80213204.

It is a self number, because there is not a number n which added to its sum of digits gives 40231208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7103 + ... + 11441.

It is an arithmetic number, because the mean of its divisors is an integer number (2522625).

Almost surely, 2^40231208 is an apocalyptic number.

It is an amenable number.

40231208 is an abundant number, since it is smaller than the sum of its proper divisors (40492792).

40231208 is a wasteful number, since it uses less digits than its factorization.

40231208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4425 (or 4421 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 40231208 is about 6342.8075802439. The cubic root of 40231208 is about 342.6528573386.

The spelling of 40231208 in words is "forty million, two hundred thirty-one thousand, two hundred eight".