40243424 has 24 divisors (see below), whose sum is σ = 85324680. Its totient is φ = 18573696.

The previous prime is 40243417. The next prime is 40243459. The reversal of 40243424 is 42434204.

It is a self number, because there is not a number n which added to its sum of digits gives 40243424.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47954 + ... + 48785.

It is an arithmetic number, because the mean of its divisors is an integer number (3555195).

Almost surely, 2^40243424 is an apocalyptic number.

It is an amenable number.

40243424 is an abundant number, since it is smaller than the sum of its proper divisors (45081256).

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

40243424 is a wasteful number, since it uses less digits than its factorization.

40243424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96762 (or 96754 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 40243424 is about 6343.7704876516. The cubic root of 40243424 is about 342.6875354232.

Adding to 40243424 its reverse (42434204), we get a palindrome (82677628).

The spelling of 40243424 in words is "forty million, two hundred forty-three thousand, four hundred twenty-four".