33242340 has 48 divisors (see below), whose sum is σ = 93921408. Its totient is φ = 8784384.

The previous prime is 33242333. The next prime is 33242357. The reversal of 33242340 is 4324233.

It is a super-2 number, since 2×33242340² = 2210106337351200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4329 + ... + 9231.

It is an arithmetic number, because the mean of its divisors is an integer number (1956696).

Almost surely, 2^33242340 is an apocalyptic number.

33242340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33242340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46960704).

33242340 is an abundant number, since it is smaller than the sum of its proper divisors (60679068).

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

33242340 is a wasteful number, since it uses less digits than its factorization.

33242340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028 (or 5026 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 33242340 is about 5765.6170528401. The cubic root of 33242340 is about 321.5366843375.

Adding to 33242340 its reverse (4324233), we get a palindrome (37566573).

The spelling of 33242340 in words is "thirty-three million, two hundred forty-two thousand, three hundred forty".