33540204 has 24 divisors (see below), whose sum is σ = 80376688. Its totient is φ = 10877760.

The previous prime is 33540193. The next prime is 33540209. The reversal of 33540204 is 40204533.

It is a happy number.

It is a super-2 number, since 2×33540204² = 2249890568723232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33540209) 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, 37327 + ... + 38214.

Almost surely, 2^33540204 is an apocalyptic number.

It is an amenable number.

33540204 is an abundant number, since it is smaller than the sum of its proper divisors (46836484).

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

33540204 is a wasteful number, since it uses less digits than its factorization.

33540204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75585 (or 75583 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 33540204 is about 5791.3905066055. The cubic root of 33540204 is about 322.4941937540.

Adding to 33540204 its reverse (40204533), we get a palindrome (73744737).

The spelling of 33540204 in words is "thirty-three million, five hundred forty thousand, two hundred four".