40333424 has 20 divisors (see below), whose sum is σ = 79622136. Its totient is φ = 19785792.

The previous prime is 40333369. The next prime is 40333451. The reversal of 40333424 is 42433304.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 40333424.

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, 22934 + ... + 24629.

Almost surely, 2^40333424 is an apocalyptic number.

It is an amenable number.

40333424 is a deficient number, since it is larger than the sum of its proper divisors (39288712).

40333424 is a wasteful number, since it uses less digits than its factorization.

40333424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47624 (or 47618 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

The square root of 40333424 is about 6350.8600992307. The cubic root of 40333424 is about 342.9428062406.

Adding to 40333424 its reverse (42433304), we get a palindrome (82766728).

The spelling of 40333424 in words is "forty million, three hundred thirty-three thousand, four hundred twenty-four".