40940024 has 8 divisors (see below), whose sum is σ = 76762560. Its totient is φ = 20470008.

The previous prime is 40940021. The next prime is 40940033. The reversal of 40940024 is 42004904.

It is a happy number.

40940024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40940021) 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 as a sum of consecutive naturals, namely, 2558744 + ... + 2558759.

It is an arithmetic number, because the mean of its divisors is an integer number (9595320).

Almost surely, 2^40940024 is an apocalyptic number.

It is an amenable number.

40940024 is a deficient number, since it is larger than the sum of its proper divisors (35822536).

40940024 is a wasteful number, since it uses less digits than its factorization.

40940024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5117509 (or 5117505 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40940024 is about 6398.4391846762. The cubic root of 40940024 is about 344.6535035489.

Adding to 40940024 its reverse (42004904), we get a palindrome (82944928).

The spelling of 40940024 in words is "forty million, nine hundred forty thousand, twenty-four".