33350540 has 24 divisors (see below), whose sum is σ = 70762272. Its totient is φ = 13201920.

The previous prime is 33350539. The next prime is 33350543. The reversal of 33350540 is 4505333.

It is a super-2 number, since 2×33350540² = 2224517036583200, which contains 22 as substring.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (33350543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6656 + ... + 10535.

It is an arithmetic number, because the mean of its divisors is an integer number (2948428).

Almost surely, 2^33350540 is an apocalyptic number.

It is an amenable number.

33350540 is an abundant number, since it is smaller than the sum of its proper divisors (37411732).

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

33350540 is a wasteful number, since it uses less digits than its factorization.

33350540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17297 (or 17295 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 23.

The square root of 33350540 is about 5774.9926406880. The cubic root of 33350540 is about 321.8851615229.

Adding to 33350540 its reverse (4505333), we get a palindrome (37855873).

The spelling of 33350540 in words is "thirty-three million, three hundred fifty thousand, five hundred forty".