40655212 has 24 divisors (see below), whose sum is σ = 80654000. Its totient is φ = 17775936.

The previous prime is 40655203. The next prime is 40655221. The reversal of 40655212 is 21255604.

40655212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40655203) and next prime (40655221).

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, 19587 + ... + 21562.

Almost surely, 2^40655212 is an apocalyptic number.

It is an amenable number.

40655212 is a deficient number, since it is larger than the sum of its proper divisors (39998788).

40655212 is a wasteful number, since it uses less digits than its factorization.

40655212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41185 (or 41183 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 40655212 is about 6376.1439757898. The cubic root of 40655212 is about 343.8524132536.

The spelling of 40655212 in words is "forty million, six hundred fifty-five thousand, two hundred twelve".