33240412 has 12 divisors (see below), whose sum is σ = 58219056. Its totient is φ = 16606400.

The previous prime is 33240391. The next prime is 33240433. The reversal of 33240412 is 21404233.

It is an interprime number because it is at equal distance from previous prime (33240391) and next prime (33240433).

It is a super-2 number, since 2×33240412² = 2209849979859488, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33240412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3537 + ... + 8887.

It is an arithmetic number, because the mean of its divisors is an integer number (4851588).

Almost surely, 2^33240412 is an apocalyptic number.

It is an amenable number.

33240412 is a deficient number, since it is larger than the sum of its proper divisors (24978644).

33240412 is a wasteful number, since it uses less digits than its factorization.

33240412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6908 (or 6906 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 33240412 is about 5765.4498523532. The cubic root of 33240412 is about 321.5304680210.

Adding to 33240412 its reverse (21404233), we get a palindrome (54644645).

The spelling of 33240412 in words is "thirty-three million, two hundred forty thousand, four hundred twelve".