40124012 has 48 divisors (see below), whose sum is σ = 77202720. Its totient is φ = 18173952.

The previous prime is 40124011. The next prime is 40124033. The reversal of 40124012 is 21042104.

40124012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40124012² = 3219872677952288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40124011) 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 15 ways as a sum of consecutive naturals, for example, 292808 + ... + 292944.

It is an arithmetic number, because the mean of its divisors is an integer number (1608390).

Almost surely, 2^40124012 is an apocalyptic number.

It is an amenable number.

40124012 is a deficient number, since it is larger than the sum of its proper divisors (37078708).

40124012 is a wasteful number, since it uses less digits than its factorization.

40124012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 40124012 is about 6334.3517426805. The cubic root of 40124012 is about 342.3482539461.

Adding to 40124012 its reverse (21042104), we get a palindrome (61166116).

The spelling of 40124012 in words is "forty million, one hundred twenty-four thousand, twelve".