33452140 has 12 divisors (see below), whose sum is σ = 70249536. Its totient is φ = 13380848.

The previous prime is 33452137. The next prime is 33452149. The reversal of 33452140 is 4125433.

It is a super-2 number, since 2×33452140² = 2238091341159200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33452149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836284 + ... + 836323.

It is an arithmetic number, because the mean of its divisors is an integer number (5854128).

Almost surely, 2^33452140 is an apocalyptic number.

It is an amenable number.

33452140 is an abundant number, since it is smaller than the sum of its proper divisors (36797396).

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

33452140 is a wasteful number, since it uses less digits than its factorization.

33452140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672616 (or 1672614 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 33452140 is about 5783.7824993684. The cubic root of 33452140 is about 322.2116967540.

Adding to 33452140 its reverse (4125433), we get a palindrome (37577573).

The spelling of 33452140 in words is "thirty-three million, four hundred fifty-two thousand, one hundred forty".