33324140 has 24 divisors (see below), whose sum is σ = 71610000. Its totient is φ = 13019328.

The previous prime is 33324139. The next prime is 33324143. The reversal of 33324140 is 4142333.

It is a super-2 number, since 2×33324140² = 2220996613479200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (33324143) 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, 18515 + ... + 20234.

It is an arithmetic number, because the mean of its divisors is an integer number (2983750).

Almost surely, 2^33324140 is an apocalyptic number.

It is an amenable number.

33324140 is an abundant number, since it is smaller than the sum of its proper divisors (38285860).

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

33324140 is a wasteful number, since it uses less digits than its factorization.

33324140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38801 (or 38799 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33324140 is about 5772.7064709718. The cubic root of 33324140 is about 321.8002052623.

Adding to 33324140 its reverse (4142333), we get a palindrome (37466473).

The spelling of 33324140 in words is "thirty-three million, three hundred twenty-four thousand, one hundred forty".