40043224 has 32 divisors (see below), whose sum is σ = 82837440. Its totient is φ = 18028800.

The previous prime is 40043209. The next prime is 40043233. The reversal of 40043224 is 42234004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432 + ... + 8959.

It is an arithmetic number, because the mean of its divisors is an integer number (2588670).

Almost surely, 2^40043224 is an apocalyptic number.

It is an amenable number.

40043224 is an abundant number, since it is smaller than the sum of its proper divisors (42794216).

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

40043224 is a wasteful number, since it uses less digits than its factorization.

40043224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9451 (or 9447 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 40043224 is about 6327.9715549297. The cubic root of 40043224 is about 342.1183316573.

Adding to 40043224 its reverse (42234004), we get a palindrome (82277228).

The spelling of 40043224 in words is "forty million, forty-three thousand, two hundred twenty-four".