40024330 has 16 divisors (see below), whose sum is σ = 72169344. Its totient is φ = 15981840.

The previous prime is 40024297. The next prime is 40024339. The reversal of 40024330 is 3342004.

It is not an unprimeable number, because it can be changed into a prime (40024339) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3139 + ... + 9481.

It is an arithmetic number, because the mean of its divisors is an integer number (4510584).

Almost surely, 2^40024330 is an apocalyptic number.

40024330 is a deficient number, since it is larger than the sum of its proper divisors (32145014).

40024330 is a wasteful number, since it uses less digits than its factorization.

40024330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6981.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 40024330 is about 6326.4784833270. The cubic root of 40024330 is about 342.0645148061.

Adding to 40024330 its reverse (3342004), we get a palindrome (43366334).

The spelling of 40024330 in words is "forty million, twenty-four thousand, three hundred thirty".