33040442 has 8 divisors (see below), whose sum is σ = 49818036. Its totient is φ = 16434432.

The previous prime is 33040429. The next prime is 33040459. The reversal of 33040442 is 24404033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 26327161 + 6713281 = 5131^2 + 2591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 42413 + ... + 43184.

Almost surely, 2^33040442 is an apocalyptic number.

33040442 is a deficient number, since it is larger than the sum of its proper divisors (16777594).

33040442 is a wasteful number, since it uses less digits than its factorization.

33040442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85792.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 33040442 is about 5748.0815930187. The cubic root of 33040442 is about 320.8844089072.

Adding to 33040442 its reverse (24404033), we get a palindrome (57444475).

The spelling of 33040442 in words is "thirty-three million, forty thousand, four hundred forty-two".