33340040 has 32 divisors (see below), whose sum is σ = 75617280. Its totient is φ = 13228992.

The previous prime is 33340039. The next prime is 33340051. The reversal of 33340040 is 4004333.

It is a super-2 number, since 2×33340040² = 2223116534403200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1799 + ... + 8361.

It is an arithmetic number, because the mean of its divisors is an integer number (2363040).

Almost surely, 2^33340040 is an apocalyptic number.

It is an amenable number.

33340040 is an abundant number, since it is smaller than the sum of its proper divisors (42277240).

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

33340040 is a wasteful number, since it uses less digits than its factorization.

33340040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6701 (or 6697 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 33340040 is about 5774.0834770550. The cubic root of 33340040 is about 321.8513774727.

Adding to 33340040 its reverse (4004333), we get a palindrome (37344373).

The spelling of 33340040 in words is "thirty-three million, three hundred forty thousand, forty".