40212424 has 32 divisors (see below), whose sum is σ = 86397120. Its totient is φ = 17188416.

The previous prime is 40212413. The next prime is 40212427. The reversal of 40212424 is 42421204.

40212424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40212427) 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, 28602 + ... + 29974.

It is an arithmetic number, because the mean of its divisors is an integer number (2699910).

Almost surely, 2^40212424 is an apocalyptic number.

It is an amenable number.

40212424 is an abundant number, since it is smaller than the sum of its proper divisors (46184696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40212424 is a wasteful number, since it uses less digits than its factorization.

40212424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1905 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 40212424 is about 6341.3266750736. The cubic root of 40212424 is about 342.5995206913.

Adding to 40212424 its reverse (42421204), we get a palindrome (82633628).

The spelling of 40212424 in words is "forty million, two hundred twelve thousand, four hundred twenty-four".