33040960 has 56 divisors (see below), whose sum is σ = 79735680. Its totient is φ = 13039104.

The previous prime is 33040939. The next prime is 33040991. The reversal of 33040960 is 6904033.

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, 24627 + ... + 25933.

Almost surely, 2^33040960 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 33040960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39867840).

33040960 is an abundant number, since it is smaller than the sum of its proper divisors (46694720).

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

33040960 is a wasteful number, since it uses less digits than its factorization.

33040960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403 (or 1393 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 25.

The square root of 33040960 is about 5748.1266513535. The cubic root of 33040960 is about 320.8860858143.

Adding to 33040960 its reverse (6904033), we get a palindrome (39944993).

The spelling of 33040960 in words is "thirty-three million, forty thousand, nine hundred sixty".