40212849 has 8 divisors (see below), whose sum is σ = 54628992. Its totient is φ = 26302640.

The previous prime is 40212833. The next prime is 40212857. The reversal of 40212849 is 94821204.

40212849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40212849 - 2⁴ = 40212833 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40212149) by changing a digit.

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, 126297 + ... + 126614.

It is an arithmetic number, because the mean of its divisors is an integer number (6828624).

Almost surely, 2^40212849 is an apocalyptic number.

It is an amenable number.

40212849 is a deficient number, since it is larger than the sum of its proper divisors (14416143).

40212849 is a wasteful number, since it uses less digits than its factorization.

40212849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252967.

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 40212849 is about 6341.3601853230. The cubic root of 40212849 is about 342.6007276506.

The spelling of 40212849 in words is "forty million, two hundred twelve thousand, eight hundred forty-nine".