33333040 has 40 divisors (see below), whose sum is σ = 83463408. Its totient is φ = 12307200.

The previous prime is 33333037. The next prime is 33333061. The reversal of 33333040 is 4033333.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×33333040² = 2222183111283200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33332999 and 33333017.

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, 14986 + ... + 17065.

Almost surely, 2^33333040 is an apocalyptic number.

It is an amenable number.

33333040 is an abundant number, since it is smaller than the sum of its proper divisors (50130368).

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

33333040 is a wasteful number, since it uses less digits than its factorization.

33333040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32077 (or 32071 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 19.

The square root of 33333040 is about 5773.4772884285. The cubic root of 33333040 is about 321.8288508317.

Adding to 33333040 its reverse (4033333), we get a palindrome (37366373).

The spelling of 33333040 in words is "thirty-three million, three hundred thirty-three thousand, forty".