33434040 has 32 divisors (see below), whose sum is σ = 100302480. Its totient is φ = 8915712.

The previous prime is 33434033. The next prime is 33434059. The reversal of 33434040 is 4043433.

It is a super-2 number, since 2×33434040² = 2235670061443200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33433998 and 33434016.

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, 139189 + ... + 139428.

Almost surely, 2^33434040 is an apocalyptic number.

33434040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33434040 is an abundant number, since it is smaller than the sum of its proper divisors (66868440).

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

33434040 is a wasteful number, since it uses less digits than its factorization.

33434040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278631 (or 278627 counting only the distinct ones).

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

The square root of 33434040 is about 5782.2175676811. The cubic root of 33434040 is about 322.1535730796.

Adding to 33434040 its reverse (4043433), we get a palindrome (37477473).

The spelling of 33434040 in words is "thirty-three million, four hundred thirty-four thousand, forty".