40212308 has 24 divisors (see below), whose sum is σ = 72394560. Its totient is φ = 19532480.

The previous prime is 40212281. The next prime is 40212313. The reversal of 40212308 is 80321204.

40212308 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40212308.

It is a congruent number.

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, 58535 + ... + 59217.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^40212308 is an apocalyptic number.

It is an amenable number.

40212308 is a deficient number, since it is larger than the sum of its proper divisors (32182252).

40212308 is a wasteful number, since it uses less digits than its factorization.

40212308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087 (or 1085 counting only the distinct ones).

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

The square root of 40212308 is about 6341.3175287159. The cubic root of 40212308 is about 342.5991912609.

The spelling of 40212308 in words is "forty million, two hundred twelve thousand, three hundred eight".