33355044 has 72 divisors (see below), whose sum is σ = 88976160. Its totient is φ = 10804320.

The previous prime is 33355033. The next prime is 33355067. The reversal of 33355044 is 44055333.

It is a happy number.

It is a super-2 number, since 2×33355044² = 2225117920483872, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 33354999 and 33355017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 401827 + ... + 401909.

It is an arithmetic number, because the mean of its divisors is an integer number (1235780).

Almost surely, 2^33355044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33355044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44488080).

33355044 is an abundant number, since it is smaller than the sum of its proper divisors (55621116).

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

33355044 is a wasteful number, since it uses less digits than its factorization.

33355044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 33355044 is about 5775.3825847298. The cubic root of 33355044 is about 321.8996510985.

The spelling of 33355044 in words is "thirty-three million, three hundred fifty-five thousand, forty-four".