33440132 has 48 divisors (see below), whose sum is σ = 67132800. Its totient is φ = 14434560.

The previous prime is 33440123. The next prime is 33440149. The reversal of 33440132 is 23104433.

It is a super-2 number, since 2×33440132² = 2236484856354848, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92969 + ... + 93327.

It is an arithmetic number, because the mean of its divisors is an integer number (1398600).

Almost surely, 2^33440132 is an apocalyptic number.

It is an amenable number.

33440132 is an abundant number, since it is smaller than the sum of its proper divisors (33692668).

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

33440132 is a wasteful number, since it uses less digits than its factorization.

33440132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 33440132 is about 5782.7443311978. The cubic root of 33440132 is about 322.1731383728.

Adding to 33440132 its reverse (23104433), we get a palindrome (56544565).

It can be divided in two parts, 334401 and 32, that added together give a palindrome (334433).

The spelling of 33440132 in words is "thirty-three million, four hundred forty thousand, one hundred thirty-two".