40212232 has 16 divisors (see below), whose sum is σ = 75513600. Its totient is φ = 20075280.

The previous prime is 40212209. The next prime is 40212251. The reversal of 40212232 is 23221204.

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 3 ways as a sum of consecutive naturals, for example, 2257 + ... + 9247.

It is an arithmetic number, because the mean of its divisors is an integer number (4719600).

Almost surely, 2^40212232 is an apocalyptic number.

It is an amenable number.

40212232 is a deficient number, since it is larger than the sum of its proper divisors (35301368).

40212232 is a wasteful number, since it uses less digits than its factorization.

40212232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7716 (or 7712 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40212232 is about 6341.3115362676. The cubic root of 40212232 is about 342.5989754269.

Adding to 40212232 its reverse (23221204), we get a palindrome (63433436).

The spelling of 40212232 in words is "forty million, two hundred twelve thousand, two hundred thirty-two".