33055240 has 16 divisors (see below), whose sum is σ = 74374380. Its totient is φ = 13222080.

The previous prime is 33055213. The next prime is 33055277. The reversal of 33055240 is 4255033.

It can be written as a sum of positive squares in 2 ways, for example, as 29964676 + 3090564 = 5474^2 + 1758^2 .

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, 413151 + ... + 413230.

Almost surely, 2^33055240 is an apocalyptic number.

It is an amenable number.

33055240 is an abundant number, since it is smaller than the sum of its proper divisors (41319140).

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

33055240 is a wasteful number, since it uses less digits than its factorization.

33055240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826392 (or 826388 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 33055240 is about 5749.3686609923. The cubic root of 33055240 is about 320.9323071643.

The spelling of 33055240 in words is "thirty-three million, fifty-five thousand, two hundred forty".