40544430 has 32 divisors (see below), whose sum is σ = 98277408. Its totient is φ = 10704000.

The previous prime is 40544411. The next prime is 40544431. The reversal of 40544430 is 3444504.

40544430 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 40544430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40544431) 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, 3661 + ... + 9720.

It is an arithmetic number, because the mean of its divisors is an integer number (3071169).

Almost surely, 2^40544430 is an apocalyptic number.

40544430 is an abundant number, since it is smaller than the sum of its proper divisors (57732978).

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

40544430 is a wasteful number, since it uses less digits than its factorization.

40544430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13492.

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 40544430 is about 6367.4508243095. The cubic root of 40544430 is about 343.5398062643.

Adding to 40544430 its reverse (3444504), we get a palindrome (43988934).

The spelling of 40544430 in words is "forty million, five hundred forty-four thousand, four hundred thirty".