33042424 has 32 divisors (see below), whose sum is σ = 66074400. Its totient is φ = 15436800.

The previous prime is 33042413. The next prime is 33042431. The reversal of 33042424 is 42424033.

It is a junction number, because it is equal to n+sod(n) for n = 33042395 and 33042404.

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, 19732 + ... + 21340.

It is an arithmetic number, because the mean of its divisors is an integer number (2064825).

Almost surely, 2^33042424 is an apocalyptic number.

33042424 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

33042424 is a deficient number, since it is larger than the sum of its proper divisors (33031976).

33042424 is a wasteful number, since it uses less digits than its factorization.

33042424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1783 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 33042424 is about 5748.2539957799. The cubic root of 33042424 is about 320.8908250863.

Adding to 33042424 its reverse (42424033), we get a palindrome (75466457).

The spelling of 33042424 in words is "thirty-three million, forty-two thousand, four hundred twenty-four".