33013044 has 36 divisors (see below), whose sum is σ = 84701344. Its totient is φ = 10839312.

The previous prime is 33013039. The next prime is 33013069. The reversal of 33013044 is 44031033.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×33013044² = 2179722148291872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4432 + ... + 9255.

Almost surely, 2^33013044 is an apocalyptic number.

It is an amenable number.

33013044 is an abundant number, since it is smaller than the sum of its proper divisors (51688300).

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

33013044 is a wasteful number, since it uses less digits than its factorization.

33013044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13764 (or 13759 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 33013044 is about 5745.6978688407. The cubic root of 33013044 is about 320.7956891273.

Adding to 33013044 its reverse (44031033), we get a palindrome (77044077).

The spelling of 33013044 in words is "thirty-three million, thirteen thousand, forty-four".