33266140 has 24 divisors (see below), whose sum is σ = 70397712. Its totient is φ = 13203840.

The previous prime is 33266137. The next prime is 33266141. The reversal of 33266140 is 4166233.

It is a super-2 number, since 2×33266140² = 2213272140999200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33266141) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3729 + ... + 8968.

It is an arithmetic number, because the mean of its divisors is an integer number (2933238).

Almost surely, 2^33266140 is an apocalyptic number.

It is an amenable number.

33266140 is an abundant number, since it is smaller than the sum of its proper divisors (37131572).

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

33266140 is a wasteful number, since it uses less digits than its factorization.

33266140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12837 (or 12835 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 33266140 is about 5767.6806430315. The cubic root of 33266140 is about 321.6134012344.

The spelling of 33266140 in words is "thirty-three million, two hundred sixty-six thousand, one hundred forty".