40239224 has 16 divisors (see below), whose sum is σ = 75518520. Its totient is φ = 20100960.

The previous prime is 40239223. The next prime is 40239247. The reversal of 40239224 is 42293204.

It is a junction number, because it is equal to n+sod(n) for n = 40239193 and 40239202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40239223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12059 + ... + 15029.

Almost surely, 2^40239224 is an apocalyptic number.

It is an amenable number.

40239224 is a deficient number, since it is larger than the sum of its proper divisors (35279296).

40239224 is a wasteful number, since it uses less digits than its factorization.

40239224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670 (or 4666 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40239224 is about 6343.4394456005. The cubic root of 40239224 is about 342.6756134943.

The spelling of 40239224 in words is "forty million, two hundred thirty-nine thousand, two hundred twenty-four".